Single Layer Silicone Earbud Covers: 1,Material:silicone 2,MOQ:1000pcs 3,Color:as ... customized 4,Shipment:as customized Single Layer Silicone Earbud Covers:silicone earbud : 1.Material:silicone 2.non-toxic,smooth ... with FDA and SGS approval2.Bowl shape to fit the ear canal comfortably for decreasing noise 3.Non-toxic,smooth, ... Competitive price and prompt delivery. Single Layer Silicone Earbud Covers