The swappable PopTop makes it easy to switch up your style in seconds. Just swap off your existing top for a new one and be on your way. No need to remove the base (base is sold separately). Every PopTop is removable for easy wireless charging. Expand your PopTop collection and match your outfit or your mood. Did we mention the base isn’t included? Dimensions: 1.5“ diameter x 0.29“ height when collapsed and 0.97” when expanded.