Superior Insulation Performance: This backpack boasts outstanding insulation. Its food - grade aluminum lining, thickened insulated foam, and eco - friendly pearl cotton sandwich work in harmony to keep contents cool for up to 24 hours and fresh for extended periods.

Heavy - Duty and Waterproof Build: Crafted from robust 420D oxford fabric with a waterproof lining, it's built to last. The SBS premium nylon zipper and multiple BARTACK reinforcement ensure its sturdiness in various conditions.

Leak - Proof and Safe Design: Featuring food - grade PEVA lining and seamless heat - embossing technology, it offers 100% leak - proof assurance. It's safe for storing food and drinks without any spill concerns.

Fashion - Forward and Spacious: The classic leopard print gives it a trendy look. With ample space, it can easily hold your beverages, food, and more, making it a must - have for outdoor outings.

Advanced Multi - layer Insulation Design: This backpack features an advanced multi - layer insulation structure. The food - grade aluminum lining efficiently reflects heat, acting like a heat - reflecting barrier that significantly reduces external heat penetration. The thickened insulated foam has excellent thermal insulation properties, effectively preventing the convection and exchange of cold air inside with hot air outside. The environmentally - friendly pearl cotton sandwich further enhances the overall insulation effect. It is soft in texture and stable in thermal insulation performance. These three layers work in concert to provide an excellent thermal insulation environment for the items inside the backpack.
Long - lasting Cooling and Fresh - keeping Effects: Thanks to its outstanding insulation structure, this backpack can achieve a cooling duration of up to 24 hours, ensuring that your cold drinks always maintain a refreshingly cold taste. It also performs well in heat preservation, maintaining a suitable temperature for up to 3 hours, keeping hot food warm. Whether it's a cool soda, a fresh salad, or a freshly - made hot sandwich, they can all stay fresh and at an ideal eating temperature for an extended period inside the backpack, providing convenient dietary support for your outdoor activities.