In use on Broadway, West End, National Tours, Regional Theaters and schools around the world! IMPROVED NEW DESIGN: This new design leaves your nose exposed for easier breathing. This design fits a much wider range of faces, creating a better seal on your face to trap sound! SAME GREAT PERFORMANCE: BELTBOX’S new design and its sound dampening materials allow for a sound reduction of up to 30 dB. REMOVABLE IMPROVED STRAP: BELTBOX comes with a removable head strap for a hands-free experience. This new strap is customizable for the most comfortable warm-up experience. WATERPROOF: BELTBOX 3.0 is waterproof, which makes it very easy to clean and warm-up in the shower. This portable vocal dampening device allows performers to warm-up to full voice without disturbing those around them. BELTBOX can quiet a performer up to 30 decibels while still being able to hear their intonation. The included hands-free strap allows the user to practice choreography or an instrument. BELTBOX is water-proof for easy cleaning and use in the shower! Includes carrying bag. Recommended for ages 13+.