[Size & Package includes] Black; Large-2 pair; Medium-4 pair; Small- 2 pair; Total 8 pair(left & right) earmold [Material] Made of Silica Gel [Hand feeling] Comfortable and skin-friendly [Durability] Long-lasting, Hypo-allergenic, Medical-grade polymer ensures a long service cycle [Compability] Excellent compatible for almost all air acoustic tube which original is mushroom-shaped earbud