This is a set of 2 green "Manner Caps" for dogs, perfect for walks. It attaches to an empty plastic bottle for use. Previously, I used a one-touch cap on a plastic bottle, but the opening was too large and the water came out too quickly, making it difficult to use. This cap sprays like a shower, so it was comfortable to use. It has a strap hook, so I attach a strap to make it easier to carry. Dog Shower Bottle Cap 1 bag (contains 2) #DogPee #DogWalk #DogManners #GoingOutMannerCap #WalkingMannerCap