Ambic, Non-Return Dairy Teat Dip Cup, Innovative Design Ensures Clean, Full Strength Chemical For Cows Teats, Contaminated Chemical Cannot Get Back Into The Reservoir Bottle, Angled Top For Easier Dipping & Holds OZ Of Dip & Allows User ToEasily Reach All 4 Quarters, Made Of Tough, Durable, Chemical Resistant Materials & Features A Wide Mouth For Easy Filling.