Quality Park R7050 Tyvek CD/DVD Window Sleeves, Box of 100 (White) Tyvek CD/DVD Envelopes(4.87 x 5 inches) 100ct. Box Tyvek is strong and moisture resistant. Poly window for easy viewing of CD label Ungummed flaps for repeated use Tyvek CD/DVD Envelopes(4.87 x 5 inches) 100ct. Box