DescriptionAre you looking for a professional, yet affordable flute trill key bumper cork? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional flute trill key bumper cork must meet you needs. It is one of the best choices for you.Features- Color: Light brown. - Size: 1.1 x 1 x 0.5 cm. - Material: Silicone. - Made of silicone material, good flexibility. - An necessary accessory for your flute. - Great replacement for the old one. - Made of high grade material, durable in use. - Lightweight, easy to carry and use.