eva food grade children's teeth cover sports teeth cover multifunctional night anti brushing

closed cell structure, non absorbent, moisture-proof, and good water resistance,excellent thermal insulation, cold insulation, and low temperature performance, resistant to severe cold and exposure to sunlight.. resistant to corrosion by chemicals such as oil, acid, and alkali, antibacterial, non-toxic, odorless, and pollution- high resilience and tensile resistance, high toughness, and excellent shock resistance and cushioning performance. teeth protection is more common in basketball, boxing, american football, extreme sport, etc. in the tense state of intense sports, athletes often bite their lips tightly.syi