INTRO our coffee & tea cork sleeves are made from fairly traded, sustainable cork. carry them with you to avoid plastic, single-use coffee & tea sleeves. CARE INSTRUCTIONS spot clean. REPLACEMENT FOR... single-use plastic sleeves! nasty plastic coffee sleeves generate 2.8 billion (yes, BILLION!) pounds of waste - every year. UK coffee drinkers alone use around 3 billion disposable cups per year‚ but only one in 1,000 is currently recycled! do the maths...