BIBS Bottle Sleeve makes it easy to bring your BIBS Baby Bottle on the go. Easy to see scale through the opening Features a strap to be attached to a stroller, a bed, or a bag The thick neoprene fabric protects the glass bottle if being dropped Fits all BIBS Baby Bottles Please remove the bottle sleeve when cleaning the baby bottle. Also, remove the bottle sleeve when pouring boiling water into the bottle. The sleeve can make the bottle unsteady when placed on a flat surface and there is a risk of it tipping over. Spot-clean with warm water and mild soap and let it air dry.