Description: Using adjustable drawstring design, the cup holder is suitable for almost all kinds of cups and water bottles. Cup holder protects your bottles from falling off as you ride. And it can be easily installed with only nylon pull strap, and it can keep the water bottle safe and stable even on rugged roads. Made of PEVA thermal insulation layer, it is designed to keep your drinks cold in hot weather and warm in cold weather. The length of the product is 17.5cm and the width is 8.4cm. It is suitable for bike, boat, scooter, wheelchair, etc. It is also ideal to hold bottle, cell phone, wall charger and much more to make your item organized. Item Name: Bike Cup Holder Material: PEVA Features: Adjustable Drawstring, Heat Insulation, Easy Installation Size Details: 17.5cm x 8.4cm/6.89" x 3.31" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Bike Cup Holder