Practice Trumpet Mute Brass Instrument Part With Aluminum Cork Sound (Silencer). Product Details 1. The silencer is made of aluminum alloy, lightweight, durable, and easy to carry. The silencer is made of aluminum alloy, lightweight, durable, and easy to carry. High quality cork allows for a tighter connection between the instrument and the silencer without damaging the instrument. The silencer will lower the volume emitted by the instrument, while the timbre and intonation remain unchanged. Make indoor performance easier and avoid disturbing family, neighbors, and pets during practice. It can help trumpet players better integrate with other instrument players. It is the perfect companion for trumpet enthusiasts. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.