Warranty - Please contact us if any problems, and you can get a free replacement without a return. Modern Design:With large size and acrylic mirror surface, this 3d diy clock is an amazing decoration for the blank wall. Enjoy the Fun of DIY: Create your own unique wall clock---Combine the clock with a coffee table or round wood board, colour the numbers as you like,and so on. Adujustable Size: With the frameless design, you can easily extend or reduce the diameter of the clock to suit the different size wall. Easy to Install: Package includes self-adhesive stickers and auxiliary scale ruler for easier installation; the clock numbers and hands have a protect film,please tear it off after installation.