The ClickLock Wallet MagSafe Black is designed to work best with Speck ClickLock cases but is also compatible with bare iPhone 12+ models and all MagSafe cases from various brands. Highlights include indestructible polycarbonate construction, ultra-slim profile, fabric loop for easy removal, and keychain ring. It holds 1 to 3 cards and the ClickLock bolt prevents slipping. The ClickLock system works by utilizing a notch above the MagSafe magnet for accessories to latch onto, creating a secure connection that resists shearing forces. Perfect compatibility with iPhone 12 to 15 models and MagSafe accessories.