1、No tools required to install, easy and convenient to use. 2、Made of fine quality material, has strong toughness and is not easy to be damaged. 3、The lower part of the product is designed with large diameter, which makes the support more stable. 4、Knob fixing, not easy to break. 5、Suitable for various cup/bottle shapes. This cup/feeding bottle holder is easy to install/remove and is suitable for various strollers, bicycles, trolleys, etc. Features: No tools required to install, easy and convenient to use. Made of fine quality material, has strong toughness and is not easy to be damaged. The lower part of the product is designed with large diameter, which makes the support more stable. Knob fixing, not easy to break. Suitable for various cup/bottle shapes. Specifications: Quantity: 1pcs, 2pcs (optional) Material: plastics Clamp size: 50mm / 2.0in Bottle height: 140mm / 5.5in Suitable bottle/cup diameter: 60-80mm / 2.4-3.1in Item weight: 105g / 3.7ounce Package size: 1pcs: 150 * 80 * 80mm / 5.9 * 3.1 * 3.1in 2pcs: 160 * 160 * 80mm / 6.3 * 6.3 * 3.1in Package weight: 1pcs: 110g / 3.9ounce 2pcs: 220g / 7.8ounce Packing List: 1pcs: 1 * Bottle Holder 2pcs: 2 * Bottle Holder 1pcs: 1 * Bottle Holder 2pcs: 2 * Bottle Holder