Oball consists of a collection of brightly colored loops that are fused together to form a soft, rubbery frame ball with round, finger-friendly openings. Oball grows with a person; it can be used by an infant for clutching, by a baby for throwing, by a toddler for kicking and carrying, by a child for catching, by kids and adults for games like soccer or volleyball both indoors and out, or just for fidgeting. Diameter: ~4-1/4" (~110mm), Weight: ~1-1/2 oz. (~42gms), latex & pvc-free, dishwasher safe. Tested and approved for ALL AGES in the USA (ASTM F963) and Europe (CE).