Conjure Alchemical Station

With the snap of your fingers, you conjure up a 6ft x 3 ft x 4ft alchemical station. It has the standard issue supplies and extra storage shelf, which can hold up to 20lbs of material. The stuff that is stored is added to the station, upon conjuring and dispelling, the materials stay stored until used. The station is held in a special pocket dimension and can only be accessed by the weilder.