PERFORMANCE BLOCK S-Series LARGE Tri-level Tactile Backpack with Cane Pouch The Biggest and Baddest Low-Vision Modular Backpack, now with some sweet new upgrades: Upgraded features: Zippered Cane Pouch, Waist Belt, Rain Cover. Dual-level main compartment with left/right side-access. Inner compartment divider removable with velcro. Removable Inner Base. 3rd Level / Double Lid, rigid compartment for holding tablet,13" laptop, A4 size files. Zippered Cane Pouch attaches to front MOLLE webbing or back straps. Tactile Braille Components - Color / number-coded 5 Braille design patches identify storage compartments. Feeldom Logo Braille patch and Keychain are glow-in-the dark, made of rubber, removable by velcro. Low-Vision Friendly high-contrast lining, zipper rings. Enormous Storage 50 L. Self standing, box-like structure. 3 compartments and 3 zippered pockets. Air-mesh padded back, straps and waist belt (removable.) Adjustable chest strap. Waterproof Rain Cover with glow-in-the-dark design included. Rubber Feet on base for stability. Perfect for athletic gear and daily necessities as well as travel, school, office or gaming. A great bag for visually-impaired persons, sighted persons and anyone in general who appreciates amazing quality and innovative design. Compatible with: TEKNO Pouch, QUIK-E Pouch, and MOOL Bottle Holster. (Sold separately) FEELDOM products are hand-crafted from premium materials only, with absolutely no corners cut on quality. We offer free shipping and returns as well as a 5-year Manufacturer's Warranty on all bags. Guaranteed to meet your standards of adventure, quality and stand up to heavy use over the years!