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Shop Now Schools Retailers


Mark-my-time, LLC, offers a 90-day from purchase (proof of purchase required) guarantee on its products when purchased from an *authorized retailer or our own online store.  In the event that a unit fails to work due to a manufacturer defect within 90 days of purchase, follow these instructions:

  • View the Troubleshooting Instructions or Video on our website.
  • Contact the store where you made the purchase and utilize their return policy OR Email us at This email address is being protected from spambots. You need JavaScript enabled to view it.. Describe the problem and any steps you have taken to correct the problem.  Include the color/style of the bookmark and note the name of the store and when the bookmark was purchased.
  • We will respond within 48 hours with further instructions.
  • If you choose to use the warranty directly from Mark-My-Time, you will be required to mail the product back to us for service/replacement. We do not cover the cost of postage to send the product back.  We do pay the postage to return the repaired or replaced product to you.  You will be issued a return authorization code which must appear on the outside of the package sent to us.
  • We will send you a repaired or new unit via regular postal mail. No refunds will be issued.
*authorized retailers can be found on our SHOP NOW page in the drop down menu “Find a Local Store”.  Warranty not valid on products purchased from individuals  or non authorized resellers on,, or  closeout purchases from Borders Books & Music/WaldenBooks.
“This timer is perfect for my daughter who has to keep track of her reading time for school. The bookmark design makes this superior to other standard timers for this purpose.”

—Kari, mom to three, IN
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