These gloves are a wonderful resource for your piano students! They provide the ability for students to recognize note names and finger numbers on the piano. Letters and numbers can easily be taken off and put on with the Velcro that is on each finger of the gloves. This is a great tool for younger piano students who are just learning the basics of playing the piano! These gloves include: 2 sets of 12345 buttons, ( one for your left and right hand) 2 sets of ABCDEFG buttons.