Toddler backpack dimensions  - 10.5"L x 5" W x 13 "H  Medium backpack dimensions - 11.5"L x 6"W x 15.5"HLarge backpack dimensions - 13"L x 6"W x 16.5"H Exterior: Cotton/Canvas blend Canvas padded handle on top for easy carrying Adjustable padded shoulder straps with ruffles  Zippered main compartment to hold notebooks, folders, binders, etc. Zippered exterior front pocket with ruffle detail Two exterior side pockets sized to hold water bottles Added trolley sleeve with zipper compartment NEW DESIGN! - Features a front-opening zippered storage compartment that fully opens! Equipped with pencil holder sleeves, an additional zippered pocket, and two built-in elastic dividers for customizable storage! Interior: Made of padded 100% Polyester  SweetHoney logo on inside Inside zippered storage Toddler size easily holds spiral notebooks  Medium and Large backpacks easily hold 3-ring binders *The customize option is for embroidery only. Letter Patches & Happy Patches are sold separately and come unattached. Patches can be found here.*