
Wholesale Hot Sale Reusable Durable Insulated Thermal DuPont Kraft Brown Paper Leakproof Waterproof Tyvek Cooler Lunch Bag. Leakproof & Waterproof: Made of DuPont Tyvek paper ensuring food safety and protection against spills. Thermal Insulation: Keeps food warm and cool for extended periods using durable insulated material. Customizable Size: Available in customized sizes to meet specific storage and usage requirements. Silkscreen Printing: Supports custom silkscreen printing for branding and promotional purposes. High Weight Capacity: Designed to carry loads exceeding 10 kg with a gross weight over 0.3 kg. Eco-Friendly Material: Constructed from reusable and durable Tyvek paper for sustainable use. OEM & ODM Service: Factory welcomes OEM and ODM customization for logos and product designs. Fast Sample Production: Sample making time is typically 7 days for evaluation and testing.