50pc White Rectangle Pearl Ribbon Slides Sliders Buckles Embellishments Weddi... These plastic pearl buckles are great for using with ribbon on wedding invitations, hair ribbons, party favors, cards or scrap booking. They are perfect for fashions for Blythe, Ellowyne Wilde and other fashion dolls. They fit 3/8 inch ribbon perfectly, but you can use them on 5/8 inch ribbon and they will create soft folds on the ribbon. They measure 1/2 inch high and 3/8 inch wide.