Sturdy PET cold cup lids lock tightly to prevent spills on the go. Fit Boardwalk® PET plastic 16-24 oz cups. Ridges on the clear top with a straw slot that accommodates a variety of straw sizes and materials. Designed to fit snugly around the rim of the Boardwalk® cups to ensure cold drinks stay inside until they are ready to be sipped. Packed in wrapped sleeves for sanitation and easy transport from the stock room to the beverage counter or preparation area.