Teenage Mutant Ninja Turtle Boys' Lights and Sound Ani-Mei Backpack 90% Polyester/10% Other Fibers Imported Hand Wash Tint ani-mei 16 inch Adjustable straps for a personalized fit, padded back and shoulder strap make it comfortable to wear. Shoulder straps also come with reflective straps. Mesh side pockers Special ani-mei effects sounds and light