PERFECT FIT FOR MICRO HYDRO : Designed specifically for Hydro Flask Micro Hydro 200 ml (6.7 oz) bottles. DURABLE SILICONE MATERIAL: High-quality silicone provides long-lasting protection and a secure grip. COMPACT AND STYLISH: Tiny boot with big style - adds personality and color to your Micro Hydro . EASY TO CLEAN: Removable design and dishwasher-safe for hassle-free maintenance. EXTRA PROTECTION FOR YOUR BOTTLE: Shields your Micro Hydro from bumps and dings for added durability.