Morrell bag targets are designed for superior durability whether you are shooting your NASP bow or one of today's high performance hunting bows. These targets are a favorite among serious hunters and archery clubs alike because they stand up to whatever abuse you can dish out and keep coming back for more. FeaturesCrossbow, Compound and Airbow ApprovedStops speeds 450 FPS and beyondFree StandingShoot all 4 sides for longer lifePatented Nucleus Center for unmatched durabilityInternal Frame System Technology94 Layers of Arrow Stopping Power