Shower Tray, 90x90cm
From Bathroom Store
Merlyn Level25 Square Shower Tray with Waste - 900mm x 900mm - White - L90SQ
Showerstoyou
Merlyn Level25 Square Shower Tray 900 x 900mm
Wickes
Nexa By Merlyn 25mm Square Low Level White Shower Tray - 900 x 900mm