Features: Leak proof and travel friendly, these 50ml gradient red glass roller bottles with golden or black caps ensure mess release application of essential oils, perfumes, and cosmetics through their smooth rolling plastic ball mechanism. Crafted from durable thick glass and sealed with secure golden caps, these efficient container feature a elegant gradient red design and include 2 openers for effortlessly assembly/cleaning. Ideal for scent enthusiasts, DIY skincare creators, and frequent traveler seek convenient, spill proof solution for individualized fragrances blending and topical product application. Perfect for daily moisturizer routines, portable perfume touch up in handbags, or organized storage of handmade serums in bathroom vanities and travel toiletry kits. The functional rollerball system delivers precise product distribution for essential oil blends, massage oils, and cosmetic formulas while maintaining seal freshness between uses. Specifications: Component:Glass, Plastic Size:Approx.3.7x11.6cm/1.45x4.56inches Type:Goldenb Caps/Black Caps(Optional) Package Includes: 1Set Gradient Red Glass Roller Bottles note: Please allow 1-2cm error due to manual measurement. Please make sure you will not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!