Tilda’s Hibernation Collection Fabric Covered Buttons includes 8 5/8in (16mm)fabric covered buttons. Tilda Fabric’s Hibernation Collection are 100% cotton prints designed by Norwegian designer Tone Finnanger. Sleeping animals and nature motives are the theme for this year’s autumn and winter collection, Hibernation. Dusty colors such as nutty browns, hibiscus reds, blues and sage give the collection a timeless, vintage look. The simple Hibernation blenders with eucalyptus and olive branches perfectly compliment the main collection.