Capacity: 30ml, set of 2 empty refillable bottles , the handy plastic funnels make you fill bottles with liquids quickly and efficiently Leak Proof: Easy to fill, squeeze and leakproof design to prevent liquid leakage or spillage in your travel. Colorful keychain outwear are available in different styles, ideal for you to classify different bottles Perfectly Portable on-the-go companions, easily attaches to your backpack, stroller, gym bag, key ring and more Lightweight And Portable Material: the bottles are made of plastic, durable and reusable, with disc caps, leak-proof,transparent,and the capacity is 30ml, within the acceptable limits of airlines, easy to store in bag and carry, great for travelling, camping, business trip etc Easy To Carry :These bottles are small enough to fit into your travel bag or suitcase, making them ideal for packaging essentials that everybody takes on holiday or weekend breaks.Use buckle carabiner to easily attach bottles to your keys, purse, bag, etc. Also, you could put it on your bag or pocket.