Step 1: Material and tools
1. A recycled plastic bottle, one with a plastic hoop around the neck like most soda bottles.
2. A nylon mesh. You can find it as packaging materials. Here I use a cheap nylon mesh showering sponge I got from Walgreens. 3 for $2.
Step 2: Cut the mesh
Step 3: Tie one end of the nylon mesh tube
Step 4: Take off the plastic ring around the root of the bottle opening.
Step 6: Insert bottle opening to the nylon mesh tube
Carefully replace the bottle cap ring over the mesh. Be sure to not damage the mesh. The bottle cap ring should secure the mesh in place.