1. Resin material is safe, non-toxic and harmless. 2. Protects the gums from collapse. 3. Prevents tooth pulp from physical or chemical stimulation after porcelain or gold teeth. 4. Helps to temporarily fix your teeth and keep your mouth clean and healthy. 5. Realistic shape and color can beautify your teeth. These dental crowns are used to prevent your teeth from being stimulated after porcelain or gold teeth. It can help isolate the damage of various physical and chemical stimuli to the pulp and to prevent displacement of preparation teeth. Comes with 70pcs in a bag is practical and convenient to replace. Features: Resin material is safe, non-toxic and harmless. Protects gingiva from collapse. Prevents tooth pulp from physical or chemical stimulation after porcelain teeth or gold teeth. Helps to fix your teeth temporarily and keep your mouth clean and healthy. Realistic shape and color can beautify your teeth. Specifications: Condition: New Design type: Oral Care Material: Resin Color: As pictures show quantity: 1 x bag of 70 pcs dental crowns Package Weight: approx. 10g Package includes: 1 x bag of 70 pcs dental crowns. Notes: 1. Keep oral hygiene, pay attention when brushing. 2. Please don't eat hard or sticky food with a dental crown.