Professional manufacturing, do not need to be replaced frequently, it is very safe to use. It is a universal replacement part for jazz drum using, safe and reliable, durable to use. They are suitable for musical instruments: drums, etc. Features -Color:Black -Material:Foam -Size:40.60X40.60X0.30cm/15.96X15.96X0.12in -Size:35.50X35.50X0.30cm/13.95X13.95X0.12in -Size:33.00X33.00X0.30cm/12.97X12.97X0.12in -Standard thickness, to meet the drum rim training, you can play as much as you like. -Used to the overtone of the drum, make the sound more perfect, and present the perfect sound. -Made of foams, this mat is wear-resistant and tear-resistant Perfect for professional use and personal use. -The drum mute pad is made of tender materials, is light and durable, has good flexibility, and will not damage the drum. -Outstanding workmanship, reasonable design, stable and practical, will bring you a . Package list: 8 x drum mute pad 12inch 8 x drum mute pad 13inch 8 x drum mute pad 14inch 8 x drum mute pad 16inch