The Opilion Heidi stool consists of two frame parts and six seat parts (2 lower levels + 4 smooth surfaces, 2 white and 2 blue upper levels). The surface material is nano-coated laminate. Surface material options include real wood veneer laminate and environmentally friendly nano-coated laminate, which contains more than 50% wood fibers. The surface of the stool withstands wear and tear and is easy to clean.