About this item Silicone ear tips are specially designed for New QuietComfort Ultra Earbuds (2nd Gen) Earbuds. The ear tips are made of high-quality soft silicone material with ultra-light weight. Fits securely in your ear, so your ear tips won't fall out easily. Block out unwanted noise for an exceptional audio experience. Available in three sizes: S, M, L for your choice, not included earbud. Product dimensions: 1.89 x 1.69 x 0.55 inches.