Our products are made with natural ingredients. We stick to the insist of no preservatives, chemical additives for all of our self-owned brand Sister Wei Sweetheart Bubble desserts Ways to enjoy our products: https://www.youtube.com/@user-no7ot3jn2h Heating Instruction: Method 1 Please heat whole pack with boiled water for 3 minutes Or Method 2 Defrost at room temperature, cut the incision of package, microwave for 1 min with setting. (Power level: medium)