3 layers of protection - Avoid scalding hands, Also keeps drinks at optimal temperature. Microwave oven is not available. Leak Proof: No Leaks Choose GINKGO, Easily stays leak-free for 24 hours. Wave Pattern Anti-Slip: S-shaped wave pattern design, sturdy and anti-slip, comfortable and ergonomic to the touch. Easy to Pull Apart: These paper Insulated coffee cups do not stick together and are easy to pull apart. Used to supply coffee, tea, hot chocolate, water, hot cocoa, milk, and other hot drinks. 150 Count Disposable Paper Coffee Cups 12 oz, Thickened Insulated Ripple Wall Cups