ITEM NAME:Thermoforming Dental Mouthguard Teeth Whitening Mouth Guard Oral Care Trays #gib Store Home Promotion Hot Item Add to Fav.Perfect for whitening teeth. EVA material, safe and harmless, this product is thermoplastic denture, can be used as tooth whitening consumables. A good product for shaping teeth. 1 X Teeth Whitening Tray.