The Oil and Solvent sampler set contains 1 x 29ml LAVENDER SPIKE OIL PAINTING SOLVENT and 1 x 29ml LINSEED OIL so you can experiment with these two mediums. Chelsea Classical Studio Fine Art Materials are made from the highest quality, handmade, natural and archival artists materials, created using historic methods and techniques. CCS Oils are all cold-pressed, non-toxic and naturally purified WITHOUT heat or chemicals, creating pure naturally pale oils. CCS Mediums, Solvents and Varnishes are all made WITHOUT Turpentine or Petroleum Mineral Spirits, thus NO harsh Carcinogenic Fumes.