SHERPA wall holder, empty, holds 10 x A4 clear view panels. Supplied = assembled. Material = nylon glass fibre reinforced. Colour = light grey. For number of clear view panels = 10 pcs. Product type = clear view panel wall holders, empty. Made of extremely sturdy, glass fibre reinforced nylon. Easy wall mounting. Any number of wall display systems can be set up in a row. Holds 10 A4 clear view panels. Clear view panel systems The best search engines are always the ones which return the sought after information the fastest. Clear view panel systems offer a highly efficient means of locating information.