Specifications: Designed to strengthen finger muscles by creating resistance on expansion. Helps to correct imbalances on individual fingers. Can be used on right or left hand. Easy to use just by sliding your fingers into individual loops. Starting with your fingers together and then expanding your hand. Type: Finger Strength Trainer Style: Fashion Gender: Unisex Material: Silicone Rubber Features: Strength Trainer, Finger Stretcher, 5 Holes Size: 7.7cm x 4cm x 1.3cm/3.03" x 1.57" x 0.51" (Approx.) How to work out? 1. Center ovals on each fingertips. 2. Start with fingertips close together. 3. Open your hand all the way. 4. Repeat the action. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Finger Strength Trainer