Features:brand new and high quality5-finger hole design, the finger hole can better fix the hand and prevent slipping.Finger training can better promote the recovery of each finger.Light weight, moderate hardness and good elasticity.The silicone material is safe and secure, has no peculiar smell and is easy to clean.The size is small, convenient and easy to use, easy to carry, and ready to use. Specifications:Material: SiliconeColor: Black/Blue/GrayPackage Weight: approx.25gFinger Diameter1: 2cm/0.78inFinger Diameter2: 5.5cm/2.16inTotal Length: approx.9cm/3.54inQuantity: 1Pc Note:Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:1Pc x Finger Expander