The large and extra-large sizes are necessary for entertaining while the small and medium sizes get used continually during the week for serving and ongoing dishes. All covers fit varying sizes and shapes and are excellent in the fridge, on the table, or in the car! Small in Slate Green 15 - 22 cm (6-8.5 in) diameter Medium in Ocean Blue fits 22 - 26 cm (8.5-10 in) diameter Large in Spruce fits 26 - 33 cm diameter (10-13 in) diameter Extra-large in Atlantic Blue fits 33 - 36 cm diameter (13-14 in) Breathable, no sweating of leafy greens and condensation Food cools quickly in the fridge due to evaporation. Simple to use fits various shapes and sizes Plastic-free, non-disposable, long-lasting Microwave safe Handmade by women working in home industries on the outskirts of Cape Town, South Africa. 100% GOTS Certified organic cotton. Care instructions; Machine washable, air or tumble dry.