Key Features and Specifications Construction: Features a 32-panel, machine-stitched design with equal surface areas, providing durability and a consistent touch. Material: The composition includes a blend of TPU, foam, polyester, and a rubber bladder with a specific filling to ensure low-rebound characteristics suitable for futsal. Weight & Size: This is a size 4 ball, with a weight range of 350–390 grams and a circumference of approximately 64.5 cm. Intended Use: Described as a very good and robust training futsal ball for regular use, suitable for all ages.