Usage: Mini Glass CUP, which has the characteristics of high temperature , 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, make it working life more longer.If your glass tube is old or broken, this is the best replacement for you.Colour:TransparentMaterial:GlassSize:about 19 x 23 x 21.5MMPackage Contents:10 x Glass cupOnly 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.