Dishwasher and Microwave Safe Silicone: This Silicone dishware is made of durable silicone for that classic camping dishware style. They are also safe to freeze! Lightweight and Easy to Clean: These fully collapsible cups are lightweight, weighing just 2 ounces and are the perfect camping accessory to go in your outdoor gear arsenal. They are fully collapsible, perfect for drinking on the go. Cup Product Dimensions: 3.35 x 0.54 Inches, Capacity: 200 ml. Weight 2 oz. Wash Before Use: Before using this camping dishware cup please wash with warm soapy water and rinse thoroughly. These camping cups are dishwasher safe and microwave safe. The Perfect Camping Addition: This classic Alpine Mountain Gear Silicone Cup will be a welcome addition to your camping gear and will allow you to fully enjoy your delicious campfire meal.