Ensure the potency and safety of your liquid formulations with these 4 oz Amber PET Oval bottles. Crafted from high-quality Polyethylene Terephthalate (PET), these bottles offer the classic look of glass with the durability and lightweight convenience of shatterproof plastic. The deep amber tint is specifically designed to filter out harmful ultraviolet (UV) light, making it the ideal choice for light-sensitive medications, essential oils, and herbal extracts. The "105" oval shape provides a comfortable grip and a flat front surface perfect for clear labeling.