Usage: Mini Glass CUP, which has the characteristics of high temperature resistance, non-toxic and easy to clean, is widely used in kitchen bar drinking utensils, various engineering machinery / appliances / scientific research instruments, etc. and high quality. Made of quality glass material. Precise, clean and workable. Easy to clean, high temperature resistant. for your product, working life more . If your glass tube is old or broken, this is the replacement . Colour:Transparent Material:Glass Size:about 19 x 23 x 21.5MM Package Contents: 10 x Glass cup Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.