This shower door features 8mm SGCC & ANSI dual-certified tempered glass, ensuring high quality and safety. The classic large aluminum groove provides a generous and firm structure, combined with anti-derailment wheels that are both sturdy and durable. Made of aluminum alloy, the door enjoys stable material quality and will never rust, available in classic matte black or stylish glossy finishes. With a double-door design, it allows for minimalist installation. The installation width has a 4-inch adjustable space to meet various needs.