30L Insulated Backpack Cooler Waterproof Leak-Proof Dual 。Brand new, never used, and in flawless condition — this insulated cooler backpack delivers a massive, organized, and portable solution perfect for beach days, camping trips, picnics, or outdoor adventures. The design is smart, comfortable, and built to keep items cold all day. ⭐️ Features Innovative Expandable Design & Massive Capacity 20H Long-Lasting Insulation Leak-Proof & Easy to Clean Two Insulated Compartments & Smart Storage Comfortable & Ergonomic Carry ? Condition: Brand new ? Measurements Total Capacity: 40L Lower Compartment: 23L Expandable Upper Section: 17L ? Materials / Fabric Nylon material with waterproof PU coating ? Compartments Dual insulated compartments (23L lower + 17L expandable upper) Front zipper pocket Two side pockets ? Carrying / Wearing Options Padded shoulder straps Shock-absorbing foam back panel Lightweight and portable design ?️ Practical Use Recommended for beach, camping, picnic, travel, hiking, and outdoor parties Holds up to 42 cans Built-in bottle opener Sweat-free and scratch-resistant fast shipping, smoke-free home, bundle & save B0GKVX2HJD