Set of Nadel napkins 70s

Set of 12 placemats that can be used as napkins. Seventies. Nydel brand in non-woven. Dimensions 30x42 cm. In its original packaging with original labels, I.e. From the 70s. identical patterns on the 12 sets: large brown, orange and yellow flowers on a white background. Directions: "washes by simple soaking, unnecessary ironing, dry in 30 minutes." it's non-woven but I don't know what material it is. They have never been used.9 are in perfect condition. 3 have small spots (possibly old age) and 1 of 3 also have small holes. These defects are photographed.