1 Cup Capacity (8 oz.) / Durable heat-resistant tempered glass / Microwave, oven and dishwasher safe / Non-porous glass / Non-reactive surface # When you follow recipes, do measurements seem a little off? Exactly how does one define a cup? The Pyrex measuring cus is considered the standard in kitchenware. Its a tool thats designed to withstand the conditions of a busy kitchen. Its perfect assurance that when you need a cup (or fraction of a cup) for a recipe, it will be faithful to the results. Dishwasher, freezer, microwave, convection, or preheated conventional oven safe # Non-porous glass, so it won’t absorb food odors, food flavors or food stains # Non-reactive, so acid-based recipes, including tomato-based sauces, lemon-infused dishes and vinegar-based poultry sauces can be prepped and baked without affecting the result. # Durable heat-resistant tempered glass