Amber glass is the preferred storage material for Colloidal Silver applications. Convenient, purse/pocket-sized amber glass bottles with spray pumps, designed to protect solutions like Colloidal Silver and other solutions from sunlight exposure These metered-dosage oral sprayers have a swiveling tip for targeted spraying of the mouth and back of throat (can be used nasally as well, or to spray other parts of the body) Note: these are EMPTY replacement SPRAYERS Consists of two (2) 30ml (1 oz) glass bottles with pump sprayers, each with an approximate .1ml spray volume per pump. Both sprayers have a swiveling oral tip (can be used nasally) Eco-friendly, recyclable packaging. TSA-compliant. Pharma-quality, non-corrosive stainless steel pump components. If sprayer assembly disconnects from the bottle during transit, simply remove the travel clip and snap the sprayer top back into place.