Curtis Bags Trumpet Valve Guard One Size Yellow A signatory is required upon delivery of the item. Material : Nontoxic WET Polyurethan / Country of Origin : South Korea Details : Non toxic wet polyurethane material make you feel much nice touch. And due to thins section you can feel also naturally when hold a trumpet. Using soft material lining to prevent scratching or damaging the instrument. The size may differ by 0.2-0.4 inches depending on measurement methods. / The color displayed may vary depending on your screen.