Strong Grip: High tension provides strength for even large drinks. Attaches to surfaces up to 1.75" thick with cap or 2" thick with cap removed. 
Scratch free: polyethylene screw caps won't scratch surfaces. 
Uses: Perfect for hot or cold drinks, mobile phones, small flower pots, virtually any small item you want out of the way. Attaches to a variety of surfaces. 
Size: 4 x 3.5 x 4 inches. Weight: 8 ounces. Will hold items up to a 3.4 inch diameter. Fits most glasses, cans, cups, large to go cups, tumblers, thermoses and bottles.