Square plastic tea cup with locked lid: 1) Convinient; 2) Environmental; 3) Can Pass FDA test. Square plastic tea cup with locked lid:1) Durable, Pretty, Translucent2) Adopt the environmental protection PP material which is required with use of food-level. 3) Nice item for your home, office and school 4) Great for daily use.5) 300ml, 400ml, 500ml can be choose by you. Square plastic tea cup with ...