Change decorating tips with a quick twist. Our 4 piece coupler system saves time by making tip changes easier and faster when decorating your bakes. Includes coupler cap, coupler tip lock, coupler body and coupler base. Innovative design allows tips to quickly lock into place with one quick turn. Large coupler threads make using with decorating bags easier. Use and Care: Before first and after each use, hand wash in warm, soapy water. Rinse and dry thoroughly.