About this item Silicone ear tips are specially designed for 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. Three ear tip sizes included: S, M, L (earbuds not included). Dimensions: 2.05 x 1.42 x 0.67 inches.