Waterproof kids Backpacks Satchel for Middle or Primary School Boys and Girls Material: cotton and polyester mixed, Lining: Polyester Polyester lining Cool book bags for girls and boys Size S:16.5*10.6*4.3 inch /42cm*27cm*11cm( H*W*L) Size M:17.7*11.8*5.18 inch /45cm*30cm*13cm( H*W*L) S-shape sponge padded wide shoulder straps and breathable back design to relieve pressure on the back and shoulders to protect your back from deformation; Padded carrying handle for comfort Attribute: living waterproof, durable, adjustable shoulder straps What's Covered: mechanical and electrical failures during normal use, 100% parts and labor Get fast repairs or replacements from SquareTrade, an Allstate company 24/7 customer support, free shipping for all repairs, no deductibles or hidden fees Cancel anytime, full refund in first 30 days, fully transferable with gifts SquareTrade Protection Plans are only valid for new or Amazon certified refurbished products purchased at Amazon in the last 30 days. By purchasing this Protection Plan you agree to the Protection Plan Terms & Conditions (http://www.squaretrade.com/terms-standard). Your Protection Plan Terms & Conditions will be delivered via email within 24 hours of purchase