With its clean lines and striking industrial hardware, the Coraline 44-48" Frameless Sliding Alcove Shower Door creates the ultimate modern showering experience. Highlighted by its refined stainless steel dual-wheel smooth and silent gliding motion, the Coraline is comprised of thick StarCast coated 3/8 in. tempered glass, ensuring your Aston door stays beautiful for years to come. The Coraline's sliding door is available in a number of popular width configurations.