12 BLUE SPRAY BOTTLES: Included in this set are 12 cobalt blue 60 ml (20 oz) glass bottles measuring 12 x 3.8 cm (4.72 x 1.5 inches) with 12 plastic lids and 12 removable fine mist sprayer tops in plastic. Clear caps ensure the pump is not accidentally pushed in when not in use. All our bottles are carefully packaged to avoid damage during transport. They are washable, BPA and lead free, recyclable, reusable and non-toxic.Real Cobalt Blue Glass: The cobalt blue bottle protects essential oils from harmful UV rays to protect them from rapid volatilization and degradation. This prevents your oils from losing their effectiveness as quickly. The bottles are high quality and made of glass which makes them smooth and shockproof. The bottles are real blue glass and unpainted, which means you can use them with solvents and the glass is not affected by strong oils like citrus.FINE MIST SPRAYERS: Our bottles come with an easy to use spray head. Just press lightly and the fine mist will come out with little to no effort. The sprayers will not get stuck and will continue to pump and spray for a long time. They are sturdy with a reliable trigger featuring a corrosion-resistant metal coil for the spring mechanism. The straw reaches the bottom, meaning none of the contents of your bottles will be wasted.A Variety of Uses: Ideal for storing tinctures, essential oils, herbal extracts, concoctions, aromatherapy solutions, moisturizing oils, hair/beard treatments and perfumes. Their small size makes them perfect for traveling for portable eye, face and body care. They are TSA approved. You can use it to mix your own cleaners, spray plants like succulents or herbs, pet sprays for training or odors, air freshener, carpet cleaner, and a vinegar and vinegar mixture. water to clean the windows.