1. High Quality: Made of high quality durable material, very durable. Anti-slip clips ensure that the bottle remains stable in the bottle rack cart even on uneven roads. Designed to hold cups, cans and bottles. 2. 360 degree rotation: The bottle cage bike can be rotated 360 degrees. It can be installed under the handlebar, under the seat, under the down tube, fork and head tube. It can also be installed on the most popular stroller models. Easy to assemble without additional tools. 3. Easy to use: The bike bottle cage can be assembled in seconds without any extra tools. Just move the bike cup holder to the desired position and tighten the screws. 4. SIZE EXPANSION: Our stylish bike bottle cage fits almost all standard water and drinking water bottles. 5. Wide range of uses - reasonable design and cheap cup holders. You can place it almost anywhere on your bike: handlebars, highways, engine guards, or anywhere else. It also works with most strollers, strollers, bicycles and walkers. Note: We send according to the color of the first picture and the number of titles. If no title is written, follow the description. Note: Only bike bottle cages are included Quantity shipped: 2 pieces Product color: black Product Size: The cup holder is about 63-83mm in diameter.