["Upgrade 2 Layers : The eartips inner layer is silicone and outer is memory foam. Its more tough and durable than normal foam." Strong and Comfortable : Outer strong memory foam and Inner silicone tube.There is a buckle inside to hold tightly with earbuds. Break Strength is over 10kg / 22lbs. Better than 95% market eartips. Enhance Sound Quality : The memory foam tips noise isolation offers superior audio experience enhanced bass and good seal block out external noise. Packing List : 3 Pairs with S.M.L size in the packing . Packed by the hard PP box. TENNMAK exclusive. "Note: Earbuds just for show. Doesnt include."]