We sell many toilet partition solid plastic HDPE panel from many manufacturers including Global, Accurate, Mills, Knickerbocker, Hadrian, Mills and All American Partitions. Along with toilet partition panels, we also sell the replacement hardware.  Here is the technical information on the panels:

Designed for high-traffic public facilities, parks and schools
The high-density polyethylene material has homogenuous color throughout each component. Self-lubricating surface resists markerings from pens, pencils, etc. Has low maintenance; good durability, water resistant, unaffected by steam or high humidity. Available in overhead braced/floor anchored and floor-to-ceiling anchored only.
Doors, panels, pilasters and urinal screens – 1″ thick, doors and panels are 55″ high.
Hardware – Available with hidden integral hinges or wrap around vault-type hinges. Cam-action hinge permits door to remain at desired position when not in use. Slide latch, striker and keeper, and coat hook are chrome plated alloy. Slide latch assembly allows for emergency access. Standard brackets are 54″ long extruded PVC color to match partitions. Pilaster shoes are molded plastic to match partitions. Stainless steel shoes and full height aluminum brackets are availble to no up charge Installation instructions and all mounting hardware are supplied with each order.
Ordering Online All Solid Plastic(HDPE) Partitions manufactured by Global Partitions, see color chart below. For other factory colors please call for pricing.Special door size, ships from factory after 5 business day, plus 2-4 days travel. Extra freight maybe added after shipment, not to exceed $150.00 per order.
Note ship out in 1 week.
Color Chart
Panels
Includes:4 Brackets
Available for the following widths – 16, 18, 22, 28, 34, 40,46,52, 55, 58, 60, 65, 70, 76″. Acual width is 1/2″ less.
Part # 9TPP-XX (where XX is door opening width)
Reinforcing for grab bars available

For pricing information visit our website

The above diagram shows the location of the panels. Panels are shipped with 4 brackets.