The Flyer LED kid's backpack will light up your little one's day or night. As a children's bookbag, it's got all the space they need for their school supplies, but by night, this children's backpack takes sleepovers and trips to an exciting, and bright, new level. Perfect bookbag for pre-school, or overnight backpack for sleepovers and trips. Our patented horizontal design with ergonomic attributes is designed to carry weight at waist level and take the stress off of your child's back, with reinforced corners, adjustable straps, water resistance and easy to clean nylon. Our backpacks are durable and practical, while keeping it fun. 2 AA batteries not included. Overall: 12.5” wide x 4” deep x 10” high Perfect for a 3 to 5 year old 36”-42” (90-107cm) Recommended for ages 3+ Backpack weighs 1lbs, .45 kg. On/Off switch battery pack is located in front pocket 2 AA batteries required (not included) 3 Click light settings: 1) Steady 2) Slow flashing 3) Fast flashing Shoulder strap total length is 24 inches Made of durable 600-denier* polyester Water resistant Exterior Padded topside carrying handle Front flap pocket contains battery pack 2 side pockets holds small water bottle Contoured & padded adjustable shoulder straps Padded back panel Easy-to-grab beehive zip pulls Detailed with reflective material for better visibility in low light D-rings for clipping on their favorite accessories Interior ID card holder under main flap Main compartment fits a folder and is large enough for a sweater 2 interior slip pockets for small school supplies