Ⅰ. Material - Plastic steel and metal parts, durable. This bike water bottle cage is designed to hold a variety of cups, cans and bottles. It is a gift for cyclists. Ⅱ. No Tools Required - The bike bottle cage clamp is designed to be easy to install and remove. Installs in seconds, no tools required. It can be installed both vertically and horizontally. We have added an extra non-slip pad to make the clamp more stable. Ⅲ. Expanded Size - This quick-release bike water bottle cage fits most standard size water bottles. 2.5' - 3.3' bottle diameter fits, and 27 ounces is the maximum storage weight. Ⅳ. Adjustable 360 Rotating Clip - The clamp of this bike water bottle holder can be adjusted to fit different sizes of handlebars, and it can also be rotated 360 degrees to allow for installation in different positions. So this bike cup holder can be mounted on the bike handlebar, under the seat, down tube, fork, front tube. Clamp MAX range: 4.3 cm / 1.7 inches. Ⅴ. Wide application - a well-designed bike cup holder. You can place it practically anywhere on the bike: on the handlebars, highway bars, engine guard or other places. It also fits many baby strollers, prams, walkers, scooters, etc.