Constructed of 5052 alloy and lined with rubber to better grip travel mugs Weight: 71g (2. 5 ounces) Dimensions: 8cm (3. 125") diameter at top, tapering to 7. 5cm (2. 95") at bottom Anodized finish Coffee and tea drinkers rejoice! The Bar-ista will haul your favorite mug of hot or iced brew while you ride. Its simple and strong alloy construction ensures many caffeinated (or not! ) commutes. The Bar-ista comes in two clamp sizes to fit securely to most flat and riser handlebars. Drop in your travel mug (with a good lid to avoid splash stains) and enjoy the ride.