1、 This protective cap is made of qualified rubber, soft and environmental friendly, will not cause noise, and easy washable. 2、 When you do not use the instrument, cover it to prevent the dust falling on the mouthpiece, protects your mouthpiece from dirt. 3、 Preserves reed moisture, Durable and easy to carry, small enough to carry anywhere. 4、It fits for mouthpiece of saxophone and clarinet. 5、Great accessory for saxophone, two colors for choosing, you will like it. Features: This protective cap is made of qualified rubber, soft and environmental friendly, will not cause noise, and easy washable. When you do not use the instrument, cover it to prevent the dust falling on the mouthpiece, protects your mouthpiece from dirt. Preserves reed moisture, Durable and easy to carry, small enough to carry anywhere. It fits for mouthpiece of saxophone and clarinet. Great accessory for saxophone, two colors for choosing, you will like it. Specifications: Condition: 100% Brand New and High Quality Material: Rubber Color: Black, White (optional) Size: Approx. 4.6 x 3 x 1.6cm / 1.8 x 1.1 x 0.6inch Quantity: 2Pcs Suitable for Saxophone/Clarinet Mouthpiece Weight: Approx. 15g Packing List: 2 x Saxophone Mouthpiece Caps