Smart Top reclosable lids make sure beverages stay where they belong. Each lid opens and closes easily. Sliding tab can be moved back and forth with one hand to seal the opening on-the-go. Lids help prevent spills and leaks. Interlocking design fits securely over inside and outside rims. Lids keep beverages warmer longer. Reclosable mechanism prevents cooling. Lids are designed for use all Dixie 12 to 20 oz. Hot Cups and Dixie PerfecTouch 10 to 20 oz. Hot Coffee Cups.Smart Top reclosable lids make sure beverages stay where they belong. Each lid opens and closes easily. Sliding tab can be moved back and forth with one hand to seal the opening on-the-go. Lids help prevent spills and leaks. Interlocking design fits securely over inside and outside rims. Lids keep beverages warmer longer. Reclosable mechanism prevents cooling. Lids are designed for use all Dixie 12 to 20 oz. Hot Cups and Dixie PerfecTouch 10 to 20 oz. Hot Coffee Cups.