Mutations Mutebags Unique individual mute bags Thank you for choosing Mutations Mutebags. Types of mute bags are: STRAIGHT, CUP, PRACTICE, AND WAH-WAH. These custom mute bags will protect your valuable mute investment from scatches and dings from other mutes in your large bag. Each bag is made of heavy durable felt cloth with a cord stop to close the mute bag opening. The mute name is embroidered on each mute bag in gold thread, saving time when you are looking for a particular mute. Remember that these mute bags are custom made for EACH MEMBER OF THE BRASS FAMILY. We also do other custom made bags on request(see e-mail information). Straight Cup Practice Wah-Wah