PREMIUM MATERIAL: Thick chocolate bar molds are made of high-quality silicone. It is food grade and BPA free.They can directly contact food. EXTRA DEEP AND LARGE: Chocolate bar mold measures 10 x 5.3 x 1 inch. This is deeper, bigger and better to fill than regular chocolate. EASY TO USE AND CLEAN: Our chocolate bar molds are easy to fill, pop out, and clean. It requires only a simple rinse with water after using to remove stains quickly, also can be used in the dishwasher. CREATING MORE FUN: Use our extra deep chocolate bar mold. You can make more fillings at once, not just pistachio, but also jams, peanut butter, and more. Enjoy every unique chocolate moment HEAT RESISTANT: Temperature tolerance is from -40 to 446 degrees Fahrenheit -40 to 230 degrees Celsius. It's compatible with ovens, freezers, and microwaves.