... double-layer structure. 2.Food grade test. 3.Food grade borosilicate glass 4.High quality and reasonable price Maple leaf series of ... short glass cup:ITEM NO : BLS-200RCAPACITY :200mlN.W/G.W.:0 ... *7.2*13.6 cmProduct features:1, food grade high borosilicate glass, seismic cracking. 2, cup of clear, transparent, cup inner layer ...