Final answer:
The Small Vessel Lifejacket is a type of flotation device used for safety and buoyancy in water. It comes in three sizes based on weight range.
Step-by-step explanation:
The subject of this question is Health. Specifically, the question is asking about the Small Vessel Lifejacket, which is a type of flotation device used to provide safety and buoyancy while on a boat or in water.
These lifejackets come in three sizes, which are typically determined based on the weight range of the user. The different sizes ensure that individuals of varying sizes and weights can find a lifejacket that fits them properly.
For example, the sizes could be small (for individuals weighing 50-90 pounds), medium (for individuals weighing 90-150 pounds), and large (for individuals weighing 150-200 pounds).