Depend on these high impact polystyrene cup lids to fit your disposable cups. Thesevented lids fit 8-ounce foam cups. The lids feature a lift and lock tab that can be closed to prevent spills. Perfect for hot beverages, these Dart high impact polystyrene hot cup lids help maintain the temperature of your beverage. Take your drink to-go with these beverage lids. Made ofhigh-impact polystyrene. Fits 8 oz. hot cups. Contains 1000 lids per carton. Vented. Lift n' Lock feature. Keep beverages hot and prevent spills with these Dart high impact polystyrene hot cup lids.