GS1+3 Piano Key Finder Stickers - Grand Saff Keyboard Labels Decals 3 sheets of each GS1 and GS3 provided (6 sheets total) Each sheet has enough stickers for 21 white keys GS1: Each piano key sticker measures: 11/16" W X 1 3/4" H GS3: Each piano key sticker measures: 11/16" W X 3/4" H Big Bold Letters & Icons on Repositionable Vinyl, Safe on Keyboards