Durable and reliable construction: Made from 1680D waterproof oxford, the cooler backpack provides full shielding from the elements and heavy use, delivering durable, reusable protection for your items and keeping contents sturdy and safe. insulation performance: Features a foodgrade PEVA waterproof layer paired with 8mm thick EPE foam insulation to create a safe and reliable thermal environment that helps keep food safe and fresh. Leakproof performance: Uses transparent thermal pressing technology to maintain content temperature with minimal risk of leakage, delivering effective leakage prevention. Versatile and neutral design: Neutral style makes this cooler backpack suitable for a wide range of occasions, including studio gatherings, camping trips, hiking adventures, beach days, outdoor escapes, and more. Use scenarios Camping or hiking trips: Pack meals and snacks and keep them cold and fresh during daylong outdoor activities. Beach days or picnics: Carry beverages and perishable items securely, maintaining cooling performance while you relax. Studio events or gatherings: Provide portable refrigeration for refreshments or catered items, with reliable insulation and leak protection.