ROCKBROS BX-004 20L Insulated Backpack Hiking Daypack Cooler Bag Cycling Waterproof Rucksack (BPA-Free) - Grey

• 【Premium Insulation】Featuring a multi-layer insulation system with thick thermal cotton, Oxford fabric, and TPU waterproof coating for superior temperature retention.
• 【Versatile Design】Functions as a hiking backpack, insulated bag, cycling waterproof backpack, and cooler bag, perfect for outdoor activities and daily use.
• 【Durable Construction】Made with dense Oxford fabric that's soft yet sturdy, ensuring longevity and resistance to wear and tear.
• 【Airtight Seal】Equipped with an airtight zipper design that maintains internal temperature while enhancing overall insulation performance.
• 【Comfortable Carry Options】Features both a fixed handle for easy lifting and padded shoulder straps for comfortable backpack-style carrying.
• 【Expandable Storage】Includes an external strap system for attaching additional items, increasing the bag's versatility and carrying capacity.

Specifications:

• Model: BX-004
• Material: Oxford Cloth + TPU + Insulation Cotton
• Dimensions: 35 x 22.5 x 49 cm
• Capacity: 20L

Note: Physical insulation, requires ice packs for optimal cooling.