Birchbark has been widely used in the subarctic area, that is to say the Northern parts of America, Asia and Europe, from prehistoric times up until our days. The bark has been used in a multitude of ways and within a variety of domains.
”A beloved child has many names” according to a Swedish proverb, and these boxes are called both viknäverburk (folded bark box), helnäverburk (whole bark box) and hastburk (hasty box). The corners are sewed with wool yarn, linen yarn or roots. Wadmal or felt are often used for decorations.
This technique has been employed for making baskets, boxes and trays, and it's a method which makes efficient use of the material.