【???????????????????????????????????? ???????????? ???????????????? ????????????????????】Some buyers fedback there's a crack on the edge. It's a complete misunderstanding. The crack is actually a small cut and it's not a product quality issue. In order to avoid the friction that will damage your treadmill when you put it on your treadmill for exercise, we purposely use this silicone material to cover around the tray. If you find that this edging strip is not glued tightly and may come off, you can glue it yourself, No effect whatsoever. 【???????????? ???????? ???????????????? ????????????????????????】If you didn't find straps when you open your box, please check the other side of the box opening. ????We stand behind our product and are committed to your satisfaction. If you have any issues with your treadmill desk, don't hesitate to get in touch with us first via email. We will help and provide a solution or suggestion. 【???????????????? ???????? ???????????????????????????????? ???????????????????????????????????? ???????????????????????? ????????????????】Transform your work routine with this easy-to-assemble treadmill desk. Simply place the particle board on your treadmill, match the treadmill handle to the slot on the board, pass through the slot from bottom to top, and fix the board with 2 nylon straps as tightly as possible. 【???????????????? ???????????????????????????????????????? ????????????????????／???????????????????????? ????????????????????????】We have improved this treadmill desk attachment material of edge quality. The edge rubber protects your equipment from scuffs and scratches even if there is friction while you walking. ????New added edge protective guard is provided to protect your laptop from falling down, completely solve your worries. The treadmill laptop stand holder is added for your tablets or phone. 【???????????????????????? ???????????????????????????????????? ???????????????????????? ???????????????????????? 22 ???????????? ????????????????????????????】Transform your exercise routine with this sturdy and stylish walking desk. The board construction supports weights up to 22 lbs, and the 2 adjustable nylon straps and 3 slots are designed to fit most flat treadmills. 【???????????????????????? ???? ???????????? ???????????????????????????????????? ???????????????? ????????????????????????????????????????????】This second generation treadmill desk is designed with a tablet holder and edge guard. ????【Walk while Working】Transform your work routine with this sturdy 36" x 15.4" x 0.78" desk for treadmill. Attach it to your treadmill and create an active workstation that allows you to multitask while you walk. The tablet holder and edge guard keep your equipment safe and secure. 【????????????????????????】Treadmill desk workstation for most Flat Handlebars up to 33 inch, include Protection Strip and Phone Slot. Remember: If this product visibly covers your treadmill heart rate/ speed/ on-off buttons, it may not be the best attachment for your treadmill. You should take into consideration this detail before ordering.