Standard or Nonstandard:Standard Shape:Ring Gasket Model Number:Keyboard o rings Material:Rubber Origin:Mainland China Certification:NONE Name:125pcs keycaps o ring seals Item Shape:Rubber/Silicon O Ring Seal gasket Color:Red/White/Black Size:110pcs 8x5x1.5mm/9x4x2.5mm Usage 1:For Keycaps o ring seal Usage 2:For Switch Sound Dampeners Usage 3:For Cherry MX Keyboard Dampers Rod Length:3.9m Use 1:Environmental friendly, Waterproof,Good elasticity Use 2:Oil resistance,Wear resistance,Waterproof Function:Keyboard noise reduction o ring seal Package:110pcs o ring seals with clip Drop shipping:Support