Features: Brand new and high quality Our Shot Helper Device provides more comfortable experience. These shot helper are reusable, providing a cost effective alternative to other pain option. Whether you're athlete, office worker, elderly individual, these shot helper alleviates joint and muscle pain for those who engage in prolonged standing, walking, physical activity. Perfect for use in home, during physical activity, these shot helper effectively relieve area such as knees, waist, and ankles. Selected TPEE material, these shot helper conformed to ergonomical principle, providing comfortable support for various joint and muscle pains. Specifications: Material:TPEE Color:Green/Yellow Size:Approx.7x7cm/2.76x2.76inch Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item. Package includes: 4Pcs Shot Pain Reducer