Versatile Foldable Insulated Cooler Backpack for Outdoor Adventures. Customizable Colors: Available in Black, Blue, Gray, Green, Orange, Pink, Purple, Red, or Customized. Custom Logo Service: Accepts customized logo printing for personalized branding needs. High Insulation Performance: Features 5mm EPE Foam and PEVA lining for 4-6 hours of cold retention. Versatile Capacity Options: Available in 10L, 15L, and 24L sizes to suit different storage needs. Durable Waterproof Material: Constructed with waterproof 600D Oxford or Polyester fabric. Multi-Scenario Usage: Ideal for beach trips, hiking, picnics, grocery shopping, and road trips. Flexible Carrying Styles: Designed as handheld, single-shoulder, or crossbody bag. Fast Sampling Time: Provides sample production within 7 to 10 working days.