[Superior Blocking Protection for Light-Sensitive Liquids]Crafted from thick amber glass, these 4oz / 120ml dispenser bottles provide outstanding UV and light resistance, protecting light-sensitive liquids such as essential oils, tinctures, alcohol, acetone and specialty chemicals. [Air-Tight Seal & Leak-Proof Pump Design]Each amber glass bottle features a tightly sealing yellow cap and a precision-engineered copper core pump, delivering smooth, controlled dispensing without splashing. [Ultra Versatile & Multi-Purpose Use]These refillable glass dispenser bottles are ideal for alcohol, isopropyl, acetone, PFA (Perfluoroalkoxy Alkanes) and LDPE-related applications, suitable for industry, nail salons, labs and workshops. [Copper Core Pump & Wide-Mouth Design-Easy to Refill]Designed for effortless refilling, each bottle includes a wide-mouth opening that makes pouring liquids simple and clean without funnels, ideal for thicker solutions or larger volume transfers. [Premium Quality Thickened Glass & Durable Yellow Cap]Built for durability and safety, these dispenser bottles are made of thickened, non-toxic, BPA-free glass that resists warping, cracking and chemical leaching better than ordinary plastic bottles. Color: As Shown Material: Metal+Glass Package Contents: 2 bottles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.