The MEISTER 50LB ELITE SANDBAG W/ 3 KETTLEBELLS is the perfect addition to any fitness routine. The hick inner foam core gives the bag shape and rigidity while adding cushioning, and the 8 solid core rubber handles provide a comfortable grip for all workout configurations. The included 10lb, 15lb & 20lb portable sand kettlebells fit snuggly inside the bag, and can be easily removed for separate freeweight exercises. With Hundreds of possible exercises including curls, presses, squats and more, the MEISTER 50LB ELITE SANDBAG W/ 3 KETTLEBELLS is a must-have for anyone serious about their fitness.