Pool Noodles Trash Pool noodles are usually made from plastic #4 (LDPE foam). They are not recyclable, and should be placed in the trash. As pool noodles age, they degrade and break into microplastics, which are harmful in waterways. Fold or Cut the Noodle Since pool noodles can be long, cut or fold them in half to fit in your garbage. Ways to Reuse Upcycle into Toys, Crafts or Household Hacks Old pool noodles have many uses. Upcycle them into toys for your kids or repurpose them for household upgrades. Check out these posts by Home Hacks and Family Handyman for ideas. Did You Know? Pool Noodle History The pool noodle was originally invented for use in construction before it was ever thrown in a pool. Read more about how the pool noodle began.