The present application relates to a pouch location device for a machine for dispensing beverages or foods, and in particular to a device for enabling a soft pouch containing beverage or food ingredients to be accurately located in a bar code reader. 1-5 parts by weight of a photoacid generator, and optionally, 30-400 parts by weight of inorganic oxide particles having an average particle size of 1-500 nm or 1-400 parts by weight of a curable resin which is shrinkable upon curing forms a hard protective coat. The primary chains are driven in a forward chain direction, while the secondary chains may be driven in a forward or a reverse chain direction.