Vintage Tupperware Apple Green Nesting Servalier Canister Set 1970's 6 Filigree Design Canisters with Matching Color Sunburst Lids Numbers Included Are: 809-14, 1222-4, 1297-16, 1298-13 Some Tupperware items have been found to have high levels of lead, arsenic, cadmium and mercury. Tupperware also didn't remove the potentially harmful substance BPA until 2010. It is best not to use Vintage Tupperware for food use; especially microwavable items. Probably use only as decoration or collection value