Trumark?s Tapered Bands improve the operating efficiency of slingshots * Easier to pull back to shooting position than normal pull bands, tapered bands are designed to release maximum energy with minimum arm and hand strain while aiming and shooting * These sling shot powerbands are 15 to 35% more efficient than standard non-tapered bands * They are excellent for tournament shooting where faster ammo velocity and accuracy helps you increase bull"s-eye scores * This item is not for sale in some specific zip codes