Thick inner foam core gives bag shape and rigidity while adding cushioning 8 separate handles for all workout grip configurations, including angled handles Hundreds of possible exercises including curls, presses, squats and more! Included 10lb, 15lb & 20lb portable sand kettlebells fit snugly inside Kettlebells can be easily removed for separate freeweight exercises Inner Sand Fill Lines for easy filling to exact weight Super durable PVC shell is designed to last Patent-Pending System *DOES NOT COME WITH SAND*
