A lifejacket is an article of protective clothing that is designed to keep the wearer floating above the surface of the water.
They are often colored in bright colors, like yellow or orange to maximize visibility for rescuers and some types have additional signalling devices such as whistles.
In some countries, they are compulsory on dinghies and on other larger boats you have to have at least the same amount or more of lifejacket than the amount of people, it is considered one of the security features
Lifejackets or life vests are often the most multiform of personal flotation devices; they are frequently seen around, and in many cases mandatory on, sea-faring vessels, airplanes, coastal regions, and swimming pools.
The modern lifejacket is generally credited to one Captain Ward, a Royal National Lifeboat Institution inspector in the United Kingdom, who, in 1854, created a cork vest to be worn by lifeboat crews for both weather protection and buoyancy.
Lifejackets are required to be stamped or labeled that they have been approved by the Canadian Coast Guard or Transport Canada in accordance with the Small Vessel Regulations.