1 Pair Piano Finger Training Device Hand Practice Corrector Fingers Grips Strength Practice Training Device for BeginnersFeature: Piano Finger Trainers for Beginners, 3 Colors for Option. Soft silicone pads, comfortable for long-term practice. Half-raised finger pads design for correcting piano fingering. The keystroke depth (about 10mm) is the same as a real piano, a good finger force training instrument. With silicone pads at the bottom, non-slip and stable to use. Specification:Brand:SOLOFellerial: ABS Silicone Material: Black, Green, PinkSize: 12.5*10.2*6cm/4.9*4*2.4inNet Weight: Approx.176g / 6.2oz (1 pair)Note:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-3cm measurement deviation due to manual measurement.1 Pair X Piano Finger Trainers