With the Color Your Own Bottle kit you can stay hydrated in style. BPA Free Stainless Steel Bottle. This kit includes a stainless steel bottle and four markers to make your own style unicorn bottle. Great gift for anyone who is creative and is perfect for a solo project or as a group activity for birthday parties, sleepovers, and any other fun get-together. Box Dimension: 8 x 2 x 10.