YuYu Cotton - Mono Grey Stripe
Made with beautiful 100% Japanese cottons.
Comes with an extendable YuYu strap feature (to enable bottle to be tied around the body and worn hands-free).
Includes YuYu's biodegradable rubber bottle.
Stays warm for 4-6 hours.
Material: Sri Lankan grade A natural rubber bottle, 100% cotton cover.
Requires less than a kettle of water to fill up (less than 1 litre), cleverly designed bumps on the surface of the bottle trap air within the fabric making it stay warmer for longer.