A unique blend of of oils that penetrate, condition, and seal all natural wood and bamboo surfaces. It keeps wood and bamboo from cracking, drying, or absorbing food odors. The lemon oil formula containing vitamin E will never become rancid. Our Block Oil also protects knives and cutlery from corrosion. Only the purest ingredients enable us to produce this safe, natural finish. Use Block Bros. Block Oil every four to eight weeks to restore and protect wood surfaces in your kitchen and home. To use, simply pour Block Oil onto a clean, soft cloth and apply to wood surface. Allow to penetrate for at least 10 minutes, then polish with a soft cloth.