Product Explanation: 1. Product name: NICEHCK Earbud dedicated foam earbud covers 2.Type: Full foams type/Donut foams type 3.Suitable compatible for : Most of Flat-head earbuds. 4.Material:High elastic environment friendly foam 5.Size :About 7mm inner size and 18mm outer size 6.Color:Blue,green,white,black,Pink,Purple,Yellow ,Gry,optional 7.Functions: Stable Soft and Wearing Durable,Reduce Improve Sound Leakage and Sound Quality,etc 8. Package Contents:Nicehck foam earbud covers * 12 pairs.Nicehck foam earbud covers * 24 pairs color and type are depend on your option 9.Please Note:The default color is as your order options . If the price is same and would like to choose colors , please remark by yourself when place order as the below compatible for mat example: type+colors+pairs or Due to differences in shooting equipment, displays, and production batches, the product may have slight color differences. This is normal, please refer to the actual product. We have tried our best to restore the true color through professional equipment, but we still recommend that you watch it under natural light for the most accurate visual effect.