Don't let their size fool you! Use these awesome Jelly Sticky Pads to keep objects from sliding around. Perfect for switches, small communication devices, toys, bowls, plates, phones, lamps, etc. Made of ultra sticky silicone material that leaves no residue on surfaces yet clings to a variety of smooth surfaces such as desks, wheelchair lap trays, table tops, smooth walls, dashboards, etc. If it gets dirty or loses it's stickiness, simply wash it with water and it's back to new! Clings to horizontal and slanted surfaces and many vertical surfaces. Measures 3.15" round.