Green+pink: package includes 1 green bell and 1 pink bell, with cute paw print pattern, no installation requiredDurable: These bells are easy to clean, easy to store, and strong to withstand intense pressure and weight.Multiple Functions: Our training bell is very suitable for pet potty training, using as a communication device, or as an awesome toy, such as giving pets snacks when they press the bell will be fun.Wide Use: These one size bells are perfect for any pet, whether its a puppy or a new dog, the bells are perfect for incorporating into routine to make your life easier.Convenient: Theyre small enough for dogs of all sizes and the bells work with little effort. They are easy to place around the house or next to the litter box.How to use pet training bells: First: Take the front paw of your lovely dogs or cats and put them on the pet button bell Second: Teach your lovely dogs or cats to press the button at the top of the bell, then give a reward after ringing Three: Repeat for three to five days, as long as they press the button, they will receive the food or the reward A good way to communicate with you when they need to hang out Show the bell When your dog needs to go out, communicate with your dog by ringing the bell, show it several times so that your pet understands your intention repeatedly. Nice sound Pleasant chime sound is loud as well as clearly without loud sound, when your friend calls you, you can get the message clearly wherever you are in the house. Product specifications: Material: high quality and steel Product color: green / pink Product Dimension: 7.2cm*7.2cm*5cm/2.8in*2.8in*0.9in Package contents: 2 Piece Pet Training Bell