Grower's Edge? Disposable Black Nitrile Gloves are latex and powder free. Heavy duty 6 mil thickness for strength and durability while still maintain its elasticity. Grower's Edge? Disposable Black Nitrile Gloves are ambidextrous and highly resistant to puncture, solvents and grease. These gloves feature an excellent grip and dexterity. Suitable for a variety application including gardening, automotive or cleaning.