1.This water bottle carrier with shoulder strap is equipped with a durable silicone strap, which is a great way to free your hands. It can protect your water bottle from face drops and bruises. Perfect for carrying your water bottle easily and comfortably. Makes carrying a water bottle easier! And regular water bottles don't have a shoulder strap. The handle of the water bottle is designed with a buckle, very easy to install and remove for cleaning. 2.Our silicone handle is made of silicone, the safety level of silicone components belong to food grade, does not contain bisphenol A (BPA), non-toxic and odourless; the handle is soft, flexible, elastic, not easy to break, durable, to ensure long-term use. Cleaning method can be hand wash, dishwasher safe, very easy and convenient;