Infinity Jars Black Ultraviolet Glass Bottle w/ Glass Eye Dropper Variety Pack LABORATORY TESTED AND APPROVED, ULTRAVIOLET GLASS: Preserve and rejuvenate freshness of plant-based goods, for over 6 months! Blocks out all damaging visible light rays and only permit beneficial rays to enter. Delivers shockingly powerful and superior protection over other glassware. AIRTIGHT SEAL: Provides additional protection; blocks out air exchange. SCENT-PROOF: Heavy durable ultraviolet glass locks in aroma. Insurance against the potency of your goods from dissipating. START PRESERVING YOUR GOODS ORGANICALLY: Store goods chemical and preservative free- with confidence! CAPACITY VARIES / HASSLE-FREE MONEY-BACK GUARANTEE! If for any reason you are not 100% satisfied, within 30 days, please return your Infinity Jars for a no-questions asked, full refund (minus S&H)