db.inventory.insertMany([
{
    item: "journal",
    qty: 25,
    tags: ["blank", "red"],
    dim_cm: [ 14, 21 ]
},
{
    item: "notebook",
    qty: 50, tags: ["red", "blank"],
    dim_cm: [ 14, 21 ]
},
{
    item: "paper",
    qty: 100,
    tags: ["red", "blank", "plain"],
    dim_cm: [ 14, 21 ]
},
{
    item: "planner",
    qty: 75,
    tags: ["blank", "red"],
    dim_cm: [ 22.85, 30 ]
},
{
    item: "postcard",
    qty: 45,
    tags: ["blue"],
    dim_cm: [ 10, 15.25 ]
}]);