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50QT Outdoor Fishing Rotomolding Cooler Box OEM/ODM
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50QT Outdoor Fishing Rotomolding Cooler Box

50QT Outdoor Fishing Rotomolding Cooler Box

Product Specifications
External Size: 68.5 x 37 x 42 CM
Internal Size: 55 x 27.8 x 33 CM
Carton Box Size: 70x38x43CM
GW/NW: 11.6KGS/10.6KGS
CBM/Cube FT： 0.11cbm
Container Loading Qty: 240PCS/20FT 510PCS/40HQ

Features: Long-body marine cooler | Rugged rotomolded construction | PU insulation | Boat/dock/fishing use | Branding options

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Product Details

The 50QT NL-50 has an interior of about 55.1 × 27.8 × 32.5 cm and a long-body format that naturally suits marine and boat use. Longer fish, bottled drinks and rows of food packs can be arranged more efficiently without losing space to a short interior. The rotomolded construction handles repeated dock and boat use, while PU foam provides insulation. It is a strong fit for fishing, marine leisure and branded programs, with custom logos, colors and packaging available.

The longer interior is particularly useful for boat fishing, offshore trips and medium-length catch.

Suitable for camping, fishing, road trips, beach days, boating and other outdoor activities. Each capacity serves a different load, group size and handling requirement.

Suitable for outdoor brands, fishing channels, distributors and private-label programs. Different capacities can be combined into a range covering personal carry, family camping and large marine use.

OEM/ODM is available with custom logo, color and packaging options. Volume programs can be configured around the brand position and sales channel.

NL-50 50QT: The longer interior is particularly useful for boat fishing, offshore trips and medium-length catch.

About Us
Ningbo Nelgreen Outdoor Products Co., Ltd.
Ningbo Nelgreen Outdoor Products Co., Ltd.
Welcome to Ningbo Nelgreen Outdoor Products Co., Ltd. China 50QT Outdoor Fishing Rotomolding Cooler Box Suppliers and 50QT Outdoor Fishing Rotomolding Cooler Box Factory, located in Yuyao, Ningbo, China. To meet diverse market demands, Nelgreen has established a highly specialized product matrix. Our camping and outdoor leisure cooler series, featuring the popular NL-140, NL-240, and NL-1000 models, are designed with ergonomic comfort handles and rugged all-terrain wheels, offering exceptional ice retention of up to 5-7 days for family camping, road trips, and beach parties. For marine and professional fishing enthusiasts, we offer the high-capacity 240QT wheeled rotomolded cooler, which is meticulously engineered with a precision-moldedl lid, integrated fish ruler, and UV-resistant LLDPE shell to withstand harsh saltwater environments.

With a comprehensive product portfolio covering outdoor cooler boxes, marine fishing coolers, industrial insulated containers, and commercial cold chain products, Nelgreen serves diverse industries including outdoor recreation, fishing, seafood transportation, beverage distribution, and professional logistics. Our products are designed for durability, excellent insulation performance, and long-term reliability in demanding environments.

Our core strength lies in advanced roto-molding technology and flexible OEM/ODM manufacturing capabilities. Equipped with professional tooling facilities and experienced production teams, we provide complete customization services, including product development, mold design, logo customization, color options, structural improvements, and functional accessories. Whether supporting emerging brands with customized solutions or supplying large-scale distributors and retailers, Nelgreen delivers stable quality and efficient production capacity.

Quality is at the heart of everything we do. Our products are manufactured under strict quality control systems and comply with international standards including BSCI, ISO 9001, SGS, RoHS, FDA, and Alibaba Factory Verification. Through continuous innovation, reliable manufacturing, and customer-focused service, Nelgreen is committed to becoming a trusted global partner for professional cooling solutions.

Nelgreen Outdoor — Reliable Cooling Solutions Built for Global Markets.
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50QT Outdoor Fishing Rotomolding Cooler Box – NL-50

Ningbo Nelgreen Outdoor Products Co., Ltd. manufactures the 50QT Outdoor Fishing Rotomolding Cooler Box for marine, boat, and dock applications. This model, designated NL-50, is built with a long-body format that accommodates longer fish, bottled drinks, and food packs efficiently. As a dedicated 50QT Outdoor Fishing Rotomolding Cooler Box manufacturer, we supply this unit to fishing channels, outdoor brands, distributors, and private-label programs worldwide.

Applications and Fit

The NL-50 is designed for boat fishing, offshore trips, and medium-length catch storage. Its elongated interior (55 × 278 × 325 cm usable space) allows organized packing of fish, drinks, and supplies without wasted space. The rotomolded construction and PU foam insulation handle repeated dock and boat use, making it suitable for marine leisure, camping, road trips, beach days, and boating. It fits into the 10QT to 540QT range we offer, serving personal carry through large marine use.

Specifications and Configuration

Parameter Value
Model NL-50
External Size 685 × 837 × 42 cm
Internal Size 55 × 27.8 × 33 cm
Carton Box Size 70 × 838 × 43 cm
Gross Weight / Net Weight 11.6 kg / 10.6 kg
CBM / Cube ft 0.11 cbm
Container Loading (20 ft) 240 pcs
Container Loading (40 HQ) 510 pcs

Material and Construction

We use food-grade LLDPE (linear low-density polyethylene) via rotational molding, producing a seamless, impact-resistant shell. High-density PU foam insulation fills the cavity, providing ice retention of up to 5–7 days under proper usage (ambient temperature, ice quantity, opening frequency, and conditions affect actual performance). The UV-resistant exterior withstands saltwater and sun exposure.

Customization and OEM/ODM

We support custom logos, colors, and packaging for volume programs. Our factory in Yuyao, Ningbo, China, handles product development, mold design, structural improvements, and functional accessories. Whether you need a private-label cooler for a fishing brand or a customized solution for a distributor, we configure around your brand position and sales channel. We also offer related models such as the 60QT Outdoor Rotomolding Cooler Box and 75QT Large Capacity Outdoor Fishing Rotomolding Cooler Box for larger capacity needs.

Quality Assurance and Compliance

Our manufacturing follows strict quality control systems. We hold certifications including BSCI, ISO 9001, SGS, RoHS, FDA, and Alibaba Factory Verification. Each batch undergoes material screening, incoming testing, and production monitoring. We provide documentation as needed for your compliance requirements.

Installation, Maintenance, and Support

The NL-50 requires no installation—simply unpack and use. For maintenance, rinse with fresh water after saltwater use, avoid abrasive cleaners, and store with the lid slightly open to prevent odor. We offer 24-hour rapid response for inquiries and post-purchase assistance. Spare parts (latches, hinges, drain plugs) are available.

Information We Use to Configure Your Solution

To prepare a proposal and configuration, we need the following project details:

  • Target application (marine fishing, camping, boating, etc.)
  • Desired capacity range (10QT to 540QT)
  • Customization requirements (logo, color, packaging, accessories)
  • Order volume and delivery timeline
  • Any specific compliance or certification needs

Frequently Asked Questions

Q: What is the ice retention time for the NL-50?

A: Under proper usage—pre-cooling the cooler, using block ice, minimizing lid openings, and keeping it shaded—the NL-50 can retain ice for 5–7 days. Actual performance varies with ambient temperature, ice type, and usage patterns.

Q: Can I get custom colors and logos on the NL-50?

A: Yes. We offer OEM/ODM services including custom colors, logos, and packaging. Minimum order quantities apply for custom runs. Contact us with your brand requirements.

Q: Is the NL-50 suitable for saltwater fishing?

A: Yes. The LLDPE shell is UV-resistant and withstands saltwater environments. We recommend rinsing with fresh water after each use to prolong the cooler's life.

Q: What is the warranty on the NL-50?

A: We provide a standard warranty against manufacturing defects. Specific terms depend on the order agreement. Contact our sales team for details.

Q: How is the NL-50 packaged for shipment?

A: Each unit is packed in a carton box (70 × 38 × 43 cm). For bulk orders, we can arrange palletization or custom packaging per your instructions.

Related Products and Categories

Our portfolio also includes PREV: 55L Portable Insulated Rotomolding Cooler Box for applications with different operating ranges, interfaces or integration requirements.

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