The bike bottle holder is made from eco-friendly plastic steel and metal parts that is safe and harmless. The bike holder is very durable which is designed for keeping cups, cans and bottles, great for bike, stroller or motorcycle. The water bottle cage for mountain bike can be 360 degree rotation and adjustable that make it easy to hold the water bottle or drink cups. It is a very user-friendly and practical bike cup holder. The bottle cage for bicycle that can hold various bottles to various places.It can be fitted on handlebar, under seat, down tube, fork, front pipe. The bike cup holder is equipped with gasket to prevent scratches, anti-slip that can securely hold your cup or bottle in place and keeps your drinks from spilling or falling off. It is great for mountain bikes or folding bikes. The motorcycle cup holder set is available two ones to meet your various need that support the bottle size: 68-85 mm/2.68-3.35inch(diameter). It is perfect to place it in the handlebars, engine guards and it also fits most baby stroller, pushchair bicycle, umbrella car.