Hoppes gun cleaning kit clamshell is made of durable polypropylene. It includes no. 9 solvent, lubricating oil, patches, rod knob, slotted ends and brush to keep your gun clean and shooting properly all year round.Specifications and Features:Hoppes No. 9 Solvent, 2 oz.Hoppes Lubricating Oil, 2A 1/4 oz.Patches, round die-cut cotton patches for an absorbent surface with deep cleaningSlotted ends and adapters, where appropriateAluminum Cleaning Rods.30 Caliber Brush