ZONTOM SQUEZEE 700 is a collapsible water bottle made from 100% food grade silicone rubber. Bottle comes with a FREE wristband. This bottle is high heat resistant and microwave safe. It can be folded in a small size and can be stored under a small bag or purse. Highlights of ZONTOM SQUEZEE 700 Antimicrobial High Heat Resistant Collapsible Odor Free Can Sterilize Daily in Boiling Water Easy to wash Microwave Safe