Instruction: Generate an answer to the question by utilizing the information contained in the document.

Input:
Question: how do I get the image i want on the flask ?
Document: This is the coolest flask I have ever seen. It is so easy to get, you e-mail the company with the pictures you want (I did one of the front and one on the back). It is high quality and they use one day shipping. The price is amazing, you cannot beat this!
I ordered these flasks as gifts for friends, Second the order came in I was back on Amazon ordering another round. I am now on my fourth order in six months. The quality was great the image came out amazing and I really couldn't have been more pleased. Now my friends and I can get wasted and reminisce about old times of images plastered all over the sides of our drinking apparatus.
My brothers birthday was coming around so I decided to go buy him a custom flask because they were on sale, it came pretty shortly and it was exactly what I wanted for him now I want one for myself.
I was a little worried that it would come out not as i pictured it, but it was honestly better than how i pictured it. I think it was like 8 dollars for any two pictures you want on the flask like It was a great deal, and the quality is perfect. It turned out better than i could have ever imagined!
I sent the image I wanted, and they did a great job customizing the flask! I gave it as a gift and my friend loved it :)
I love my flask and the image may have been the one on the page, but I like the vintage look. Great work guys, and very helpful.
I was looking for a new flask for the heck of it, and I came across these randomly, and I was intrigued by them. I contacted the company to get a better understanding of the product, and they responded within a few hours. We went back and forth on a Q and A portion, they told me what images would work best and sized it out for me so I could get what I wanted on them.
My friend told me he wanted a custom flask for his birthday and boy did this come through. He was so impressed he's probably going to get somebody he knows one as well. I'm putting it on my birthday list too.
The flask I received was better than anything I could have hoped for! The image came out great and looks very durable. The process was super simple, I emailed the picture I wanted and they got back to me right away. Shipping was fast and you can't beat the price! Will definitely be ordering from this seller again if I need similar products in the future!
I was skeptical before buying, but I am very happy with the quality of the product. Communication with the vendor was simple, and they were prompt in responding to my emails. The flask size is perfect; it holds the perfect volume to serve its purpose. The top seals tight. The image they printed was exactly what I asked of them, and I was blown away by the great resolution of the print. I would definitely buy from them again!
Answer: E-mail sales@flasks.com with your order number and image