Are you outline illustrations lover? How astonishing, this flat vectorial outline illustrations of collection totals 443+ pieces and do multiple subjects not only Internet & daily life, there also has lots of animals & transportation even 'Hipster on Unicycle' or 'Dragon slayer.' Maybe you would find something up in the set unexpectedly. Two formats available as SVG, PNG and you could change any colors which you need after download. Also, if you have no software of design for changing colors, you shall visit the original website and try online service then free download for using.

Most vectors and resources are free for download and ONLY personal use that some of them even allowed commercial purpose. NOTICED, not all files have permitted rights for commercial purpose. Suggests you confirm license on original website before any editing, modification or attributing.