This item is a set of 50 pcs test tubes, made of premium plastic, durable and eco-friendly. Plastic stoppers are easy to seal, great leakage-proof performance even in bumpy journey. Great for containing chemical liquid for experiments. Also perfect for laboratory. Features - Color: Transparent and white.- Material: Plastic.- Size: 7.50X1.20X1.20cm/2.95X0.47X0.47inch.- The test tubes are well sealed to keep stored clean and moisture-free.- Premium plastic, durable and eco-friendly. Hard shell ensures durable use. Easy to clean.- Ergonomic screw caps are easy to seal tightly and screw up, great leakage-proof performance even in bumpy journey.- The portable and compact design will ensure its practicability for holding cosmetic sample, lotion, liquid, gel and more for portable carry and handy use for travel.- Compact and simple design. Good for holding beauty liquid like cosmetic sample, lotion, liquid, gel and more for portable carry and handy use in travel.Packing list: 50 x Test Tubes