Poster Holders Accessories   401 - Poster Holder Grip.- Used for all poster holders greater than A3 size. The 401 simply clamps on to the top of the Poster Holder ensure that the poster holder stays clamped.   CL001S - Acrylic Cleaner. - Used for maintenance and cleaning of acrylic poster holders. Supplied in 500ml trigger spary application bottles. 401 - £0.60 - Quantity:    CL001S - £6.95 - Quantity:    CL042C - Ecloth. - Ideal for polishing acrylic.. This cloth easily removes finger marks and greasy streaks which often marks the surfaces. For best results, spray water onto the surface and then wipe.     CL042C - £6.95 - Quantity: