This North American frameless double sliding shower door is a must-have for any modern bathroom. It features 8mm tempered glass with a matte black finish, giving it a sleek and contemporary look. The glass is fully tempered and tested by ANSI Z97.1-2015, ensuring its safety and durability. The chamfered safety corner setting adds an extra layer of protection, while the nano-burst-proof film on one side minimizes potential damage to the surrounding area in case of an accidental impact. The other side is treated with a nano-easy-to-clean coating, making maintenance a breeze. The soft-closing function is adjustable and works even after cutting 5 inches, and it can pass 50,000 times of door opening and closing test. The maximum permissible wall inclination is 3/8'', and the adjustable range of the 60 inch product is 55 '' -61 ''. When adjusted to 61 '', the maximum opening space reaches 28.5 ''. When the 60 '' product is shortened to 55 inches, the opening space is 23.5 ''. The 304 stainless steel pulley with heavy-duty buffer ensures smooth and quiet operation, and the buffer switch can be used more than 50,000 times. This product is easy to install by one person, regardless of the left and right directions, with paper instructions and installation video. It can also be packaged in sets for express delivery, and the weight, size, and material of the outer box meet the express delivery standard. The outer box adopts splash-proof packaging and passes the anti-drop test, ensuring its safe arrival at your doorstep.