These PQPO silicone liners are specifically designed for KitchenAid 4.5-5 quart tilt-head mixers, ensuring a secure fit and stable performance during use. This convenient set includes two food-grade silicone liners, one white and one red, each with a matching lid, which allows for easy switching between different mixtures and reduces the need for extra bowls. They seamlessly transition from mixing to storage for various ingredients like dough and batters, making your baking process smoother. The stackable design helps save valuable kitchen space, and each liner features a practical pour spout. For added convenience, these liners are both dishwasher-safe and microwave-safe.