Bottle Boot Water Bottle Size:S The medium is ideal for

The medium is ideal for shirts and shorts whilst the large caters for sweaters

and traveling

slide each side of the bamboo to their respective opposite sides and insert a stove in the middle

and practicality in one must-have accessory

Bottle Boot Water Bottle Size:S The medium is ideal forFits 12 24 oz Wide and Standard Mouth bottles Removable, silicone boot adds extra protection to your Hydro Flask bottle. BPA Free Dishwasher safe Not for use on a stove, in a microwave or freezer. Bump & ding protection Make your Hydro Flask your own with a colorful, durable silicone Bottle Boot that protects against bumps and dings. Specifically sized to fit our 12 24 oz Wide and Standard Mouth bottles.