Material: Food-grade Silicone, Adapt To Extreme Temperatures: -40 Degrees -230 Degrees Application: Microwave, Oven, Freezer, Steamer Washable Boiled Disinfection Size : 5.6x1x5.6 Cm Note: Keep Away From Open Flames, Knives Features: 1. Environmental Carbon, Organic Material That Can Be Recycled, Low Energy Consumption 2. Creative And Romantic Which You Can Make A Surprise For Your Lover 3. Simple, Practical, Easy To Operate And Clean 4. Hygiene, Health, Natural Antibacterial 5. The Flexible And Strong, Adaptable, Corrosion-resistant 6. Durable, Reliable And Difficult To Damage 7. Resistance To Extreme Temperature, The Maximum Temperature Of 230 Degrees, The Lowest Temperature Of Minus 40 Degrees 8. Safe, Non-toxic, No Peculiar Smell. Prolonged Use Of Color Change Instructions: 1. Preparing The Necessary Material Before Making A Cake, And Finishing Stirring 2. Spreading The Pasty Liquid On The Mould, Ensuring To Occupy 6/10 Of The Total Volume 3. Putting The Mould Into Oven For 3-5 Minutes, And Picking It Out 4. Pouring Your Creative Cake Out Of The Moulds