ITEM NAME:10pcs Trumpet Key Felt Washers Cushion Pad Trombone Brass Instrument Parts A#S Product Description Description: 10pcs/Pack Trumpet Key Felt Washers Cushion Pad Trombone Palm Brass Instruments Parts Accessories Specification: Material: Cotton Size: 1.8cm * 1cm * 0.3cm/0.7*0.39*0.12in Package weight: about 3g Color: Black Usage: protect and fix keys, and increase service life Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 10 x Trumpet Felt Washers Pads.Included:10 x Trumpet Felt Washers Pads. Size: 1.8cm 1cm 0.3cm/0.7 0.39 0.12in. Material: Cotton. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.