... cassette 1.Various shapes,Various Color 2.high quality&competitive price 3.CE & ISO Various shapes Plastic medical embedding cassettehigh quality& competitive price1,Various shapes, Various Color,2 ... ,5000pcs/cartonEmbedding Cassette "O" Rings, Various Color, POM, PP500pcs/polybag,5000pcs/carton OEM is welcomed. welcome your inquiry! Various shapes Plastic medical embedding cassette