The Stanley Must-Have Flip Straw Lid is a versatile and essential accessory for any of your Stanley mugs or bottles. The convenient flip straw design allows for easy, one-handed drinking and prevents spills while on the go. Made with high-quality materials, this lid is durable and leak-proof, ensuring your drinks stay hot or cold for hours. Say goodbye to messes and hello to convenience with the Stanley Must-Have Flip Straw Lid.