The Liquid Glitter Case. Precisely crafted with soft polycarbonate (TPU) and hard polycarbonate (PC) to provide a luxurious look and feel. Designed with our advanced engineered technique that makes the liquid glitter stand out from any crowd. Our Liquid Glitter iPhone Cases are certified for Quality + Safety. Cases are made using non-toxic mineral oil and materials, inspected by professionals, have passed all safety tests.