Enhance the longevity of your essential oils and perfumes with these black bottle caps. Designed to fit 28mm screw thread bottles, the inner ring ensures a leak-proof seal. These caps are for travel, preventing any accidental spills in your bag. Their sleek black design also adds a touch of elegance to your collection. Features -Color:Black -Material:Pp -Size:3.00X3.00X1.90cm/1.18X1.18X0.75in -Safe material: made from pp material, these caps are safe for use with essential oils and other liquids - : the 28 mm screw thread design ensures a tight and , preventing any leakage -Easy handling: the anti slip design makes these caps easy to open and close, providing experience -Portable: the small and lightweight design makes these caps easy to carry and for travel -Multipurpose: ideal for use in homes, offices, spas, and more, these caps are versatile and convenient Package list: 100pcs x aromatherapy bottle cap