Oxygen Concentration: 40%–48%

Screen resolution: 480

no steel production

such as cheese

1 fishing line winder

Multifunctional Invisible Orthodontic Braces Kids Shoes Oxygen Concentration: 40%–48%Overview: 100% and high quality. Easy and convenient to use. Specifications: Product name: Multifunctional Invisible Dental Tools Product features: easy to carry, can be used at any time, elastic material, suitable for different people. Note: Do not place it in hot water above 70 degrees to avoid deformation. It is recommended to disinfect with alcohol or soak in warm saline for 30 minutes. Stage 1: Orthodontics Hardness: Soft Lifespan: 1 2 months