milk it pumping door sign"nursing mom at work" - thick, durable and eco-friendly! milk it working moms have no fear of co-workers walking in on your pumping sessions! our classy and subtle door sign sends the message to "do not disturb!" we feature beautiful vintage images and fonts referencing the bond between mom and baby. a high-quality thick paperboard (thicker than a coaster) door sign. this sign mom-friendly and eco-friendly: made from 100% recycled material and is also recyclable! it is printed with soy-based inks and veggie-based adhesives. created by a mom, for moms!