9pc Foam Silent Drum Practice Pad Set- Long Lasting and Durable, 9pc Neoprene Foam Rubber Drum Mutes- Place the pads in your drums and cymbals, Keeps your original drum tone but with lower volumes!Practice at all hours - great for parents with loud drummers - perfect for apartments - and sweet for studios and live shows where volume control is critical. Includes: 4 - various head covers = 12",13",14",and 16" sizes ALL included. 2 - cymbal mutes = fits all cymbals1 - kick drum cover = 21 1/2"2 - Sound Off blocks = silence snares and kick pedal blocks. The sound off blocks get stretched over any cymbal you wish to quiet down. Just wrap the elastic around your cymbal for muting effect. The bass drum pad should have the neoprene pad facing your kick pedal hammer. Most people will attach this pad with double sided tape or a sticky velcro so it can be removed whenever you wish.