Comfortable and safe thanks to its 9 patented fins that hug the shape of your teeth during moulding. Fitting cradle facilitates moulding. Better hygiene thanks to drainage holes to allow water to drain. Biomaster antimicrobial technology (prevents the formation of up to 99.99% of bacteria). Extendible areas for optimum fit. Palate opening to ease breathing and speech. Packaging compatible with pegboard hooks. Supplied with an antimicrobial protective case and instructions. CE Certification. Latex free. Not suitable for those with fixed orthodontic appliances. Can be used for all contact sports by those aged up to 10.