Neewer&reg; 9-Piece Foam/Rubber Drum and Cymbal Practice Mute Pad Set, includes 5 Head Covers (22-Inch, 16-Inch, 14-Inch, 13-Inch, 12-Inch), 2 Cymbal Mutes (10-Inch) and 2 Sound-off Blocks 9-Piece Drum Practice Mute Pad Set. Made of durable foam and rubber materials Includes: 22", 16", 14", 13", 12" Head Covers, two 10" Cymbal Mutes and two Sound off Blocks Pad thickness: 2cm Foam and 0.4cm Neoprene/rubber Allows players to quietly practice on their drum sets without drastically altering drums feel NOTE: Drum Mutes ONLY! Drum Set in the picture NOT INCLUDED