10 cm / 3.94 inches in diameter, fits most types of cups

The special design of this silicone beverage cup lid, the ball knob can accommodate a spoon. Heat and temperature -160°F to 550°F

We have 4 different color cup caps, one color per person, you can easily distinguish your own cups. Great for home, office, hotel, camping use

This silicone mug is made of food grade silicone, non-toxic and without any strong chemical smell.

The lid and spoon rest are separate. Seals on all smooth edges such as cups, mugs and glasses to keep out dust, airtight and leak proof to keep your beverages hot or cold