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Social media
Pixel
Social Icons
Tumblr
SlateGray
16x16
Mighty Social Icons
DarkSlateGray
32x32
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WPZOOM Social Networking Icon Set
SteelBlue
38x38
Macchiato
Tumblr, Kz
20x20
32 Pixel Social Media Icons
Classy Social Media Icons
Social Networking
Tumblr, social media
CadetBlue
Social Media Mini