6pcs=3pairs/pack; L size is the light blue inner tube.
[ Compatible with ] Sony WF-1000XM4 and Sony WF WI XBA MDR in-ear series, Beats Studio Buds,TRANYA T10/T10B/T3/M10/B530.
[ 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 10 lbs. Rebound time is over 60 seconds which is much better than 99% market normal foam.
[ Enhance Sound Quality ] The memory foam tips noise isolation offers superior audio experience enhanced bass and good seal block out external noise.