355 x 254mm, Smooth, glued on all four sides Langton Prestige is a superior-quality, soft touch 100% cotton watercolour paper. Made traditionally on a cylinder mould machine, the paper features a natural whiteness and distinctive texture. AVAILABLE IN A It is Acid-free, with an alkali reserve to preserve finished pieces of work and protect against discolouration. Its gelatinised surface gives it strength and resilience.