In Sweden, she became best known for her vases with motifs of sinuous snakes, tulips and wolves.
As a protest against the conservative artist world she created the "rat bowl".
[3] Hydman Vallien was one of only 50 artists chosen to work with British Airways to create designs for aircraft tails, napkins, porcelain, tickets and stationery for the fleet.
[4][5] She also took part in the Swedish National Museum exhibition Unga tecknare 1964–1966.
[16] As a tribute, Ulrica Hydman Valliens gata is a street named after her in Åfors, Sweden.