Ltpgt these lids are airtight and can keep foods long and odourless preserve your leftovers and cut down on food wastage get a pack of 4 for only pound699 or 8 for pound1099ltpgt ltpgt the set of 4 covers includes ltul classquotbulletlistquotgt ltligt 1 x small lid of 10 x 10 cm ltligt ltligt 2 x medium lid of 15 x 15 cm ltligt ltligt 1 x large cover of 20 x 20 cm ltligt ltulgt ltpgt