This 16oz Halloween glass cup is perfect for showing your spooky spirit or gifting it to loved ones who have an October birthday or love the Halloween season! It has permanent vinyl adhered to the glass, therefore it is not dishwasher or microwave safe. Hot beverages can cause the glass to break; only use cold drinks such as iced coffee, sodas, water, fruit water, etc. Please keep in mind this product is GLASS, please handle it with care! It will break if it is dropped!