Those are RainWriter Waterproof clipboards with two extenal clips. available in BLACK, GREEN ,BLUE AND RED
RainWriter A4 Portrait Waterproof Clipboard is for use in all weather conditions. It has a clear plastic cover which is spring loaded so you can use it in the rain, it actually allows you to write when it is raining, the cover can be folded flat and on the back there is two clips so you can use it as a standard clipboard in dry weather. There are two pen holders on the inside of the cover and it takes standard A4 portrait paper. There is a metal ring at the top for hanging the clipboard up when not in use which can also be used to lever the paper clip inside the cover. There are two eyelets for attaching a neck cord
LIFETIME WARRANTY ON ALL RAINWRITER WATERPROOF CLIPBOARDS
At RainWriter as the manufacturer we have the confidence in our product to offer lifetime warranty on all our Waterproof Clipboards
Size Open: (A)245mm x (B)345mm x 230mm.
Size Closed: (A)245mm x (B)345mm x 20mm.
Weight: 500gms approx.