Its material is nylon plus 15% fiberglass, and its strength is several times that of other plastic materials. You don't need to worry about its strength.
When you buy this ESC enclosure, We will provide you with black plastic piece to cover the screws.
In the unlikely event of a defect, Tynee Skateboards warrants to the original user that our Tynee electric skateboard shall be free from all defects in material and workmanship for 12 MONTHS from the date you receive the boards. Tynee accessories are covered for a period of 6 MONTHS. This warranty does not apply to any electric skateboard that has been subject to abuse, misuse, negligence, or accident (ie riding in wet conditions, dropping the board etc). Defects caused by tampering or unauthorized alterations or repairs are also not covered by this warranty. Perishable items are not subject to warranty due to their deterioration through standard use, these items are - bearings, belts, tubes, tires, bushings, grip tape and wheels. Tynee skateboards are not designed to be jumped down stairs or off curbs. Doing maneuvers like this can result in broken motor plates, axles and other parts and therefore these items are not covered by warranty.
Tynee boards can be easily repaired by replacing the broken part. We will always diagnose and send free replacement parts for boards under warranty, shipping fees will be collected. If your warranty is out of date, you can buy the corresponding parts for replacement on our website (tyneeboard.com).
We reply to all questions within 24 hours (except on weekends). Normally you can get replacement parts within 3-25 days if there is ever an issue with your board.(Since it’s international shipping. Shipping time may be delayed occasionally).
And please keep your board away from water, because water damage is NOT covered by warranty.