The ice cube tray is made of food grade silicone. This can be used for dishwasher, refrigerator, freezer and microwave. The ice cube tray is also a cool gift for holidays, Christmas, father or Mother’s days and birthdays. Can custom logo on it. Measuring 5.31*10.98*2.91inches, this custom silicone oversized ice cube mold. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: Portable, durable, practical for daily use.