Strong & Comfortable Material : Outer strong memory foam and Inner silicone tube.There is a buckle inside to hold tightly with earbuds. Break Strength is over 22 lbs/10Kg. Rebound time is over 60 seconds which is much better than 90% market normal foam.
Fit in the charge case : Perfect with earbuds . And it can put into the charge case.
Enhance Sound Quality : The memory foam tips noise isolation offers superior audio experience enhanced bass and good seal block out external noise.r
Packing List : 3pairs/pack with S.M.L size . One pair for each size. Packed by hard PP box to protect very well