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. Available in three sizes: S, M, L (earbuds not included). Product dimensions: 2.76 x 1.97 x 0.63 inches.