100% recycled nylon, 500DCrafted from sleek, 500D recycled nylon Taslan for a clean, technical finishOversized main compartment with secure zippered top closureExtra-thick webbing straps Front exterior pocketRear trolley pass-through sleeve for easy travel pairingDual exterior mesh side pockets for water bottles or accessories (6 1/4"W x 7 1/2"H)Large interior zippered compartmentTwo internal mesh zip pockets for visible, contained storage (5 1/2"W x 7 1/2"H)