The Pearl Crystal Beat 22x16 Bass Drum is made from seamless 7mm molded transparent acrylic with matching acrylic hoops. The hoops are mounted with recessed bass drum claws with rubber Lining. Telescoping spurs come with rubber or spiked feet will hold this kit steady in place. The Pearl BB-3 tom mount (not included) fits perfectly on this bass drum. This all allows for a big deep controlled bass drum sound and a captivating look.