Made from Beeswax

Beeswax wraps are made by infusing pieces of cotton with a mixture of food-grade beeswax, pine rosin and oil. The waxy coating makes the cloth waterproof, but breathable. 

They can be used to cover cheese and other food for keeping in the fridge, you can use wraps to carry snacks and sandwiches on the go, keep bread on the counter or in the freezer, and wrap up greens for the crisper.