Primary Choice Tray and Shelf Storage Units are an exclusive, vibrant range designed to add colour into your Educational environment. With the sturdy Beech MFC panels you can choose the edge colour to suit your colour scheme or have matching Beech edges. Choose from Blue, Red, Green or Beech. All units are supplied fully assembled for your immediate use. A huge choice of units is available - up to 80 trays, mobile or static, with or without doors. All units with doors include a FREE lock. The large mobile tray storage units include five heavy duty castors for additional strength.