Colorful Delta Zeta croakies for your sunglasses, to match what you wear, whether you are on or off campus. Delta Zeta sorority croakies (sunglass straps) are made of neoprene rubber with 2 inches of adjustment capability. Custom design DZ croakies for your chapter for Bid Day or Big Sis/Lil Sis gifts. Croakies are available in 18 colors and 20 thread colors for embroidery of greek letters. Contact Sorority Spirit at 877-597-1885 to custom design a chapter order.