Beauty Factory SIMPLE_E 4pcs 15Ml Empty Airless Vacuum Bottle Container Refill Bottle Cosmetic Cream Lotion Serum for Travel Great for skin care products such as treatment serums, makeup primer, gels, lotions, liquid makeup, etc. The bottle itself are natural translucent .They hold  fl oz of product (15 ml) so they are a TSA approved size for air travel. Empty refillable Airless Lotion Treatment Pump Cosmetic Bottles 15ml /0.5oz Pack of 4pcs epacket free shipping from China