Allpro: Prophy Cups Bulk Pack 1000/pk Non Latex Aqua Adult-Latch Type - 402-S-1000Allpro Latch Type Prophy Cups with a ribbed webbed design guarantee superior performance during teeth cleaning and polishing. They are manufactured with high strength plastic and ensure a mess free application of prophy pastes through their special gear design. These cups are equipped with latches to facilitate their attachment to and deatchment from prophy angles.