MAKE IT YOURS: Personalize your 5oz, 11oz or 9oz Insulated bottles by adding a matching or contrasting color bumper. The bumpers are easy to install and remove so you can change the look of your bottle as often as you desire! ZERO PLASTIC... ZERO YUCK: 100% plastic-free Pura Kiki Silicone Bumpers crafted from safe, medical grade silicone MADE SAFE CERTIFIED: Only plastic-free, 100% silicone accessory line on the market to achieve Made Safe Certified status! EASY ON, EASY OFF: The flexible silicone design allows for effortless attachment and removal, so you can change the look of your bottle whenever you like. CHOOSE YOUR LID: From flip-top to straw, select the lid that best suits your style and needs. Express your unique personality with a variety of stylish colors to choose from. Personalize your 5oz, 11oz or 9oz insulated bottles by adding a matching contrasting color bumper. The bumpers are easy to remove and install so you can change the look of your bottle as often as you desire!