Many small animals can do considerable damage to their water bottles. No water bottle is immune to abuse when a pet is determined to chew, such as when bored or drawn by instinct to gnaw and chew on objects to control tooth growth. This Value Set of bottle guards are designed to stop that chewing before it starts. Metal protects the bottle, cap, and any other area your little guy may feel inclined to chew. Size: 7 1/2" L x 1 7/8" W