The Stuffed Plush Monkey Child Zippered Backpack: For Age 3 And Up. A super-cute plush backpack that your kid will fall in love. 21" Adjustable strap - so your child won't outgrow it too quickly. Flat-bottom design makes the zippered backpack large enough for phone, snacks and small toys. Measures 14" H x 6" W. Made from 100% Polyester - All new material. For age 3 or older.