The Green and Clean™ Bossa Shaker is recommended by Board-Certified Music Therapists and other health professionals and designed to withstand disinfection protocols in medical environments where infection control is a concern. Constructed with Acousticon® shell, internal metal beads, and capped with Fiberskyn® drumhead material for superior sound quality and durability and are ideal for music therapy and recreational activities. Available in size: 2.25” x 4".