About this item Silicone ear tips are specially designed for the New QuietComfort Ultra Earbuds (2nd Gen). 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 ear tip sizes: S, M, L (earbuds not included). Dimensions: 2.76 x 1.97 x 0.63 inches.