Features:

Rhinotek fabric-600D polyester, PVC/Resin coated waterproof,abrasion resistant fabric

Three large zippered compartments: One 18"*7"*11", and Two 16"*9"*8"

Overall dimensions:36"*19"*9"

Two built-in, 20 oz .sulated water bottle holders

Anodized slider increases zipper durability

Shock absorbing design provides a safe ride for valuable gear

Mesh pocket

Dual-density foam padded seating area-1.75" open-cell and 0.5" closed-cell foam for maximum comfort -total are:18"*10"