https://trc-images.nl/collection_images/hires/2010/2010.0467a-b.JPG#\\TRC-SERVER\TRCSharedWork\TRC Database\collection%20photographs\2010.0400\2010.0467a-b.JPG#
A pair of loose sleeves to be worn on the forearms made of purple taffeta lined with cream and blue cotton and hemmed with a yellow band ('koor') with yellow mirror-like triangles ('spiegeltjes').