Dimension: (approx)M: 2.3* 4.5 cm (approx)L: 2.6* 4.5 cm</br>Color: random</br>1. 100% non-allergenic Silicone rubber. Reusable?? Durable?? Washable?? Stretchable?? Comfortable?? Snug-fit?? Easy to apply and remove. 2. It is a precision molded "tional tool "which offers the ultimate solution for sore fingers experienced when learning to play guitar?? (also great for those who may play infrequently).</br>3. fingertip protectors / guards?? allow for PAINLESS play. You can play or practice longer while your fingers continue to toughen. 4. A great "ansitional tool" for beginners which still allows for "GRADUAL" Callus development! Works equally well for other stringed instruments?? banjo?? mandolin?? ukulele.</br></br>Product Description</br></br>Dimension: (approx)L: 2.6* 4.5 cm</br><br/>http://www.amazon.com/gp/product/B0164DKTFMM bronze