The Clip-On Water Bottle is constructed of a clear plastic body- with Stainless Steel Lid and Stainless Steel Base to reinforce durability. Designed with a large mouth opening for easy cleaning- and featuring a Clip-On hook for the bottle to be carried- or fastened on outdoor equipment- as well as backpacks- belts- or pants. Best of all- the Clip-On Water Bottle eliminates the need for buying costly bottled water- and helps keep additional bottles from polluting the environment. ***** Dimensions – 2.75* x 2.75* x 9” – and holds 16 oz.