✨ Elevate Your Essential Oil Experience! ✨ Compact and portable, perfect for on-the-go wellness. Cobalt blue glass shields your oils from harmful UV rays. Stainless steel roller balls enhance absorption and relaxation. Craft your own essential oil blends with 24 refillable bottles! Thick, corrosion-resistant glass ensures longevity and style. UV protection 3ml capacity Leak-proof design The ZEJIA 3ml Roller Bottles come in a pack of 24, crafted from durable cobalt blue glass that offers UV protection and a leak-proof design. Each bottle features stainless steel roller balls for optimal oil absorption, making them perfect for DIY essential oil blends and travel.