COLLINS SEWERS AID ALL PURPOSE SILICONE THREAD TREATMENT (C21) 1/2 fl. oz. A clear, non-staining lubricant. A drop on the sewing machine needle will help reduce skipped stitching and friction heat of needle while sewing through heavy material and sheer fabric. INSTRUCTIONS Place dispenser tip at top of needle, spool etc. Allow a drop or two of Sewers Aid to come out-distribute evenly by moving downward on both sides. CAUTION - if swallowed or comes in contact with eye consult physician and treat as a silicone.