National Zipper Day! Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: April 29, 2019 all-day 2019-04-29T00:00:00-04:00 2019-04-30T00:00:00-04:00 Holidays Buy One, Get One! One day only! Mix n match! Hundreds of zippers to choose from!