Midlothian Council - Grey - Non Recyclable Waste Midlothian Council - Blue - Paper, Card, Plastics, Metals, Food and Drink Cartons Midlothian Council - Red box - Glass Midlothian Council - Brown - Garden Waste Midlothian Council - Grey Caddy - Food Waste https://www.midlothian.gov.uk/info/1054/bins_and_recycling As recycling collections for flats varies according to where you live, it’s best to check this directly with your local authority.