Reclosable lids ensure beverages stay where they belong Opens and closes easily. Sliding tab can be moved back and forth with 1 hand to seal the opening on the go. Interlocking design fits securely over the inside and outside rims. Helps keep beverages warmer longer. Reclosable mechanism prevents cooling. Designed for use with 10-16 oz PerfectTouch� cups and 12-20 oz paper hot cups. Cups sold separately.