Back Flatline Icons is now available both for personal and commercial usage under the royalty-free license.
Full preview and all information for the purchase of Back Flatline collection you can find here:
Green Flatback Set: www.shutterstock.com/sets/12179645-green-back-flatline.html?rid=3087110
Orange Flatback Set: www.shutterstock.com/sets/12321239-orange-back-flatline.html?rid=3087110