PopSockets PopGrip with swappable top for cell phones is part stylish phone accessory part opposable thumb for your phone. PopSockets PopGrip lets you take selfies text with ease or stand your phone up on a table. When you?re done it collapses flat. Did we mention each PopSockets PopGrip includes a swappable PopTop? Switching out your PopTop for another or remove it completely for wireless charging capabilities. PopGrips are compatible with PopWallet+ Otter + Pop cases PopPower Home wireless charger PopMount 2 PopGrip Apple Airpods Holder PopGrip Lips PopGrip Slide PopChain and PopThirst. PopSockets PopGrip: Improved gel on all PopSockets products. Sticks best to smooth hard plastic material phone cases will also stick to glass backed phones. Will not stick to textured material & soft material phone cases. *Will not stick to iPhone 11 Pro or iPhone 11Pro Max without a suitable case. Diameter: 1.5 inches (38.82mm) Height: .29 inches (7.46mm) when collapsed .97 inches (24.71mm) when expanded.