Don't buy that crap. This cap doesn't stick to the keys at all. For reference I have red Cherry MX switches and Kailh switches. Even with o-rings they don't even stay. However, the cap itself is of good quality. Also how it feels. It's a shame it's so poorly done.
Get the Ultimate Gaming Experience with PlayStation Vita 3G/Wi-Fi Bundle
50 Review
Game console Sony PlayStation Portable Slim & Lite PSP-3000 SSD, black
45 Review
π² Unveiling the Enthralling Board Game Lifestyle of '7 Wonders'
11 Review
Game console Sony PlayStation Portable E1000, black
67 Review