Plastic kitchenware featuring what follows:1) Anti-slip integrated bottom to ensure stability and dramatically reduce falls and moves.2) Heat-, cold- and humidity-resistant, dishwasher- and freezer-safe.The dishware is made from high-quality food-grade melamine; the cups are made of reslyn, a 100% BPA-free thermoplastic material with excellent insulating properties and usable up to 95°C; the glasses are made of highly brilliant transparent SAN.