Make your Hydro Flask your own with a colorful, durable silicone Flex Boot. Customize your look and protect against bumps and dings.. . Removable, silicone boot adds extra protection to your Hydro Flask. Medium boot fits 32 and 40-oz. wide mouth bottles. BPA-Free. Lifetime Warranty. Standard mouth compatible: Compatible with all Standard Mouth products for ultimate versatility.. Hand wash. Imported.
