Sand-filled balls typically use a PVC (vinyl) outer shell with sand as the internal fill. Listings commonly specify a PVC or vinyl construction to hold the sand securely.

Many sand-filled slam and wall balls have a textured or threaded surface to provide a secure, non-slip grip—helpful for sweaty hands and overhead movements.

Sand-filled balls are designed for a “dead bounce.” The high-density sand filling prevents bouncing or rolling, so the ball stays where it lands.

Typical construction includes a heavy-duty PVC or commercial-grade vinyl shell, reinforced or leak-resistant stitching, and durable outer material to hold sand securely through rigorous workouts.

Most listings show sand-filled balls sold individually (package quantity: 1). Always check the specific product listing for multi-packs or bundle options.

Some training wall balls include padded construction and reinforced vinyl or stitching to cushion drops and withstand high-speed impacts. Feature availability depends on the model—review product specs for details.