Related Clues:

• They give colour to oil, water, etc.
• They open in the morning
• Preserves covers?
• Coffee shop freebies
• Hats, slangily
• Coffee shop stack
• Covers for opening and closing
• Cork's distiller releases litre
• Lens covers?
• Dunkin' Donuts stack
• Container parts
• Stack in a cabinet
• Toppers for pots
• Eye shades?
• Stack at Starbucks