With the Aroma Topper BONEYARD S from Boneyard you are always ready for action. Opening the bottle has taken 2 hands until now, although you have more important things to do at this moment. With this cap you can easily open your poppers with one hand. You prevent the spilling of poppers and have no direct contact with the bottle, which protects you from possible burns. The size S is perfect for all 10ml and 30ml poppers bottles from the manufacturers Lockerroom, Oxymoron and Shelbora.