osprey daylite deals HawLander Toddler Kids Backpack Body & Accent Color:Waxed Canvas w/ Chocolate Leather $289 Built to be both filter_litres_30 Litres

osprey daylite deals HawLander Toddler Kids Backpack Body & Accent Color:Waxed Canvas w/ Chocolate Leather $289 Built to be both filter_litres_30 Litres

HawLander Toddler Kids Backpack for Boys or Girls, Blue 02, 15 Inch | Small Size for School: 15.0"H x 11.0" W x 5.0"D. Fits 3 to 6 years old | Kids' Backpacks

These guys have a big CO2 cartridge inside them and if I remember right, you have to drill the top out to be able to rig up a bike valve

filter_litres_30 Litres

Body & Accent Color:Waxed Canvas w/ Chocolate Leather $289

Padded adjustable shoulder straps provide maximum comfort, while the top grab handle and hanging hook add convenience

Built to be both light and durable