Feature 1: Storage Feature 2: Rugged And Drop resistant Feature 3: Can Be Placed On Each Other Feature 4: Convenient Operation Material: PET Colour: Black Size: B(700ml) 10.2 x 9.5CM Package Contents: 4 x Storage tank Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.