Packing: 2PCS bottle cage Clamp stretch range: 0.7-1.8inch Suitable for bottle diameter: 2.6 - 3.1 inches. Special Note: This product is not suitable for use on baby buggy! Excellent choice The cup holder is made of high-end plastic, the material has good elasticity and is not easy to damage. It is suitable for all kinds of bottles, kettles and cans with an outer diameter of 2.6 - 3.1 inches. Two combinations (1 black, 1 Red), is your good helper for outdoor sports Unique design and simple operation The water cup holder can be easily installed and locked in different positions of the bicycle by adjusting the jaws by the manual rotary handle. It is safe and reliable, and there is no need for screw holes on the bicycle By loosening the middle cross screw, you can easily choose the direction of the bottle cage according to your needs, and then use a screwdriver to lock it, making it more convenient for you to use Wide range of uses This water bottle cup holder is not only suitable for placing water cups, water bottles, bottles, cans, etc., but also suitable for installation on various bicycles, mountain bikes, and trolleys Our quality assurance and after-sales service OstWony is committed to providing customer satisfaction service for a long time. If there is any problem with our products, please contact us and we will provide you with a satisfactory solution Try our service, OstWony will be very honored!?Quality & Service?We are always trying to offer better products to our customers. return guarantee. If there is any problem with our products, please contact us at any time, we will reply to you within 12 hours. 100% satisfaction guaranteed. ?Wide use?This water bottle cup holder is not only suitable for placing kinds of water cups, water bottles, bottles, cans, etc, but also suitable for installation on various bicycles, mountain bikes, and trolleys. ?Special design?This cup holder is unique in design and easy to operate. By loosening the middle cross screw, you can easily choose the direction of the bottle holder according to your needs, making it more convenient for you to use. ?Easy to operate?The water cup holder can be easily installed and locked in different positions of the bicycle by adjusting the claws directly by the manual rotary handle, which is safe and reliable, and there is no need for screw holes on the bicycle. ?Excellent choice?The water cup holder is made of high-end plastic, suitable for all kinds of bottles, water bottles, cans with an outer diameter of 2.6 - 3.1 inches, two combinations, it is a good helper for your outdoor sports.Product Dimensions: 9"L x 7"W x 3.1"H. Brand: OstWony. Material: Plastic. Color: Red and black. Date First Available: December 16, 2020. Best Sellers Rank: #26,297 in Sports & Outdoors. Customer Reviews: 4.1 out of 5 stars 701 ratings 4.1 out of 5 stars. : B08QS81WJB. Part Number: ?OstWony. Manufacturer: ?OstWony. Material: ?Plastic. Color: ?Red and black. Brand Name: ?OstWony. Item Dimensions LxWxH: ?9 x 7 x 3.1 inches. Package Weight: ?0.2 Kilograms. Item Package Dimensions L x W x H: ?6.02 x 5.31 x 3.19 inches.