The 100 Nt life belts have been designed for people who may have to wait for rescue, but are likely to do so in sheltered water. They have been tested and certified per the new EN ISO 12402-4, EN ISO 12402-7 and EN ISO 12402-9 testing standards according to directive 89/686/ EC for recreational boats. They come equipped with a 30mm width waist webbing, 100cm² retro reflective tapes (IMO Resolution A.658(16)) and the EN ISO 12402-7 and EN ISO 12402-8 whistle approved.