LEGO Friends Pop Star Heritage Basic Backpack, Black, One Size Roomy main zipper compartment with interior slip pocket designed to keep items closer to the back panel for better weight distribution Easy access side mesh pocket holds a water bottle or other gear Ergonomically padded shoulder straps plus sternum strap keep the bag from slipping off shoulders Safety 360 reflective, CPSIA compliant PVC, lead and phthalates free 16x11x6.5