Will also spray the uppers with waterproofing just to be safe because theyre suede. Although it fits when full and heavy the liquid pulls the cup holder down, spilling said drink. The system has anti theft screws and a locking device. worked out great a direct replacement. They just hurt the bottom of my feet way too much. That being said, I can definitely tell the big difference it made in how NOT warm the laptop is. However, abusing it by listening to music on my smartphone whilst shoving it in either my jacket pockets or my jeans pockets lasts about 6 months, which is a lot to me especially considering the price. Si lo llego a saber compro estos directamente la primera vez. If this doesnt bother you, it would be a worthwhile purchase. No idea how long theyll last, so Ill update this review later.