HIGHLY FUNTCIONAL AND SIMPLE DESIGN- sling will fit most any water bottles. No hard materials. Makes it easy to bring water along wherever you go. Black strap extends to a the bottom of the , positioning itself under the , so that it can not fall off LIGHT WATER HOLDER- Universal beverage and water lanyard, with 1 elasticated sling to fit for with a diameter of around 2.30--3.58 inches, ALL TYPES (16 ,18 , 20 , 22 , 32 , 40 ,48 and etc ) of sport water bottles ADJUSTABLE SHOULDER STRAP- Up to 40 inches in length, can be worn in the front or on your side, 1 inch width is comfortable to carry water in while it is on your shoulder.perfect for daily walking, biking, hiking, going to the beach, and outdoor events BELT- Foldable function to easy, perfect for everyone who likes to daily as a christmas gifts, holiday gifts, Mothers Day, Fathers Day and new year gifts. colour:Black Material:Polyester size:2.5 x 100CM Package Contents: 1 x water strap Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.