My product is intended for ages 15 years and older Great Material It is made of ABS Foam materialWith the advantages of light weight and quick drying etcyou will easy to carry Use For Wrapping your fishing hooks and leader on Ideal for fly fishing carp fishing Wrapping The Hook Link Spare spools for wrapping the hook link around it you can use tippet holder to keep it Great For Boat Fishing Ocean Rock Fishing Ocean Beach Fishing Lake River Reservoir Pond Stream