
Waterproof Thermal Insulated Lunch Cooler Bag for Picnic. Customizable Color and Size: Customers can specify exact shape, material, and detail size for tailored products. Oxford Cloth Material: Constructed with durable Oxford Cloth and Aluminum Foil for insulation. Long Cold Retention: Maintains cold temperature for over 6 hours for food and drinks. High-Quality Stitching: Features 7-step stitching per inch and reinforced stitching at high-force areas. Durable Zipper Design: Zippers undergo smoothness and strength tests with hundreds of pull cycles. Rigorous Quality Control: Includes material strength testing and 100% visual inspection of finished products. OEM and ODM Services: Factory offers customization from samples and designs with logo acceptance. Competitive Factory Pricing: Direct manufacturer with over 10 years of experience offering competitive rates.