Amazon.com: CM Ultra Thin Silicone Soft Keyboard Cover Skin Compatible with Logitech Wireless Touch Keyboard K400 Plus (Not for Old Version K400 & K400r) (Aqua Blue) : Electronics
The New Classic Logitech K400r Usb Wireless Touch Keyboard Keypad - Keyboards - AliExpress
Logitech K400r Replacement Laptop Keyboard Keys
CM Ultra Thin Silicone Soft Keyboard Cover Skin Compatible with Logitech Wireless Touch Keyboard K400 Plus (