... . Fire prevention It is a health sponge,can prevent the fire.4.the wave height: Can be made as your requirement.5.Color ... : You can choose the color you like.6.shape: Our usual ... , gun toys, sword toys. ball, tube, barSponge : fire proofing sponge ,wave sponge, sound absorbing cotton, coarse cleaning sponge etcOthers: Non_woven bags ...