OMNIPATCH - PREMIUM MOUTHPIECE PATCHES OmniPatch by Silverstein Works premium patches are naturally comfortable, yet supportive and durable to protect the surface of all types of clarinet and saxophone mouthpieces and cushion teeth from excessive vibration. PATENTED DESIGN The unique patented curved-edge design of OmniPatch achieves better air sealing for easier playing, and the optional patented grooved teeth guide provides precise control of embouchure placement -- great for teachers & students! COMPLETELY NON-TOXIC Manufactured of the highest quality, medical grade soft silicone rubber and plant-based ink and adhesive that have been laboratory tested by a 3rd party to ensure complete non-toxic safety. 0.80 mm (thick) 0.35 mm (thin) black clear mixed colors grooved plain OUR MISSION Silverstein Works was founded in the belief that woodwind musicians deserve better from our industry. We work hard to provide innovative products of the highest-quality that bring exceptional benefit and value to the woodwind community. From reeds to ligatures, mouthpiece caps to mouthpiece patches, it is Silverstein's goal to provide the absolute best products possible, and our design and R&D teams are continually seeking new innovations to benefit you, the musician.