Dots are playful and always in style. Our Polka Dot Mini size backpacks were designed for the littlest of our students! Great for snacks or as lunch box, portable games and toys, field trip companions, getaways and more. - Adjustable shoulder straps; Inside zipper pocket - Size: 11x8.5x3.5" - Outer: 100% Cotton; Inner Lining: 100% Polyester