The ultimate way to develop power, stability and endurance, this Force USA® Core Bag Functional Training Package is designed for home, PT studio and commercial gyms. Including a 5kg, 10kg, 15kg and 20kg Endurance Core Bag, you can perform a huge range of dynamic movements and safely introduce similar free weight exercises. Made with superior commercial-grade materials and four handles for optimal grip, each core bag will go the distance. Instantly turn any space into an elite training area with this durable and highly versatile package from Force USA!