DISCONTINUED - SEE ITEM 09-1860 - Patented No-Blo door hanging signs reduce the risk of loss due to wind gusts. 3-1/4" x 8-1/8" white, double-sided, rigid plastic door sign. Cost is per pack of 100 pcs. Minimum: 1 pack. Side 1: Blue ink, "Privacy Please" Side 2: Red ink, "Please Service Room" Add your property logo to personalize the signs (please contact us).