Description: 1.[Customized Comcompatible for t]: Our ear -mounted headphones replaced sea cotton sleeves made of high -density sponge, which can ensure closely fitting various ear size. 2.[Universal fit] These foam sets have a variety of sizes 3.5 cm in diameter, 4.5 cm, 5 cm, 5.5 cm, 6 cm, which can be compatible with various ear -hanging headphones 3.[Excellent noise isolation] These replacement of sea cotton sleeves are not only comcompatible for table, but also effectively block wind noise and background interference 4.[Easy to install and clean] Use these cotton sleeves to make installations easier. They can easily install and remove without leaving any residues. 5.[Environmental Protection Materials] These headphone jackets are made of clean and environmentally friendly high -density sponge, which is safe compatible for you and the environment. Specification: 1.Material: High -density Sponge 2.Colour: Black 3.Size: Diameter 3.5cm, 4.5cm, 5cm, 5.5cm, 6cm 4.Applicable Products: Ear -mounted earphones with corresponding size 5.Features: Windproof sound, prevent mixed color, clean and environmentally friendly