double layer glass cup high temperature resistant tea water separation explosion-proof goose egg cup borosilicate tea cup car gift cup wholesale

350ml black monolayer 350ml red single-layer 350ml khaki yellow single layer 450ml black monolayer 450ml khaki yellow single layer 450ml red single-layer 450ml black double layers 450ml khaki yellow double layer 450ml dark red double-layered 350ml elegant silver double layer 450ml double-layer new style 350ml red double layers

301-450ml