Made of Natural Rubber latex. Warning! Children under 8 years can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once. Warning! Not suitable for children under 36 months - small parts. Choking hazard.
(See below) Only niggle with balloons was that they were quite difficult to blow up. The ends were quite flimsy and the balloons were difficult to blow up to a good size without popping!