What is "pool noodle"

n. A long, slender tube or rod, extruded from buoyant foam and usually brightly colored, used as a toy in swimming pools.

A pool noodle (also known as a woggle in the UK) is a cylindrical piece of polyethylene foam, sometimes hollow. Pool noodles are used by people of all ages while swimming.

Pool noodles are useful when learning to swim, for floating, for rescue reaching, in various forms of water play, and for aquatic exercise. The most common dimensions are about in length and in diameter.

The pool noodle is often used to protect sharp edges and corners.