Aston Cascadia Completely Frameless Hinged Shower Door, 31" x 72", Brushed Stainless Steel 31 in x 72 in completely frameless hinged shower door Brushed Stainless Steel finish; Stainless steel hardware Premium clear 3/8" (10mm) tempered safety glass - ANSI Z97.1 certified Width Adjustability: 30 3/4" - 31 1/4" Designed for Left or Right hand door installation