DescriptionMade of premiumwaterproofPVCmaterial, make it durable and practical.No adhesive will be left behind after you peel off the stickers from your piano.No fading, anti-sweat, wear-resistant, can keep it for a long time without falling off.Professional and practical design with beautiful appearance, easy to stick and remove.This innovative introductory piano stave decals can help you master the piano quickly.Features- Color:Colorful. - Material:PVC. - Size:25.00 x 17.00 x 0.10 cm /9.82 x 6.68 x 0.04 inch. - Adopted high-quality PVC material, featuring waterproof, anti-sweat, durable. - The reasonable design makes it fit most kinds of piano, very practical for using. - These piano keyboard stickers are easy to install and remove without residue left. - It is very thin and can be applied to the keyboard to minimize the impact on sound quality. -Its main function is to help piano beginners master the stave faster, so as to develop good piano playing habits for beginners.