All Folium tableware is made from 3 to 4 layers of leaves NO glue NO additives just plain leaves are used to make these plates and bowls They can be used for hot and cold food 3 to 4 layers of leaves are used to make these plates and bowls which make them sturdy and leak proof Microwave safe Made only from leaves and they can easily be composted at home in your backyard composting bin in about 6 to 8 weeks They also compost in any composting facility They are made by putting together few leaves then sewn with small bamboo twigs to make a layer Depending on the size of the plate or bowls 3 to 4 layers of leaves are put in a mold and briefly heat pressed to create the finished product The natural wax of the leaves is released during the process to stick the layers together