AcePlus 100 Pieces Tyvek CD/DVD Sleeves with Window and Flap

Premium Tyvek Sleeves with Window & Flap. Sleeve size approx. 5" x 5" plastic window is 4" in diameter. Tyvek cd envelopes have a higher strength-to-weight ratio than paper and other cd sleeve materials. It's not only significantly lighter than paper it's stronger. Weight is lighter than white paper sleeves but the material is stronger than white paper sleeves.Reduced shipping costs while protection is stronger than standard white paper sleeves.