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Social media
Smooth
Socialize 3
paypal
DarkSlateGray
128x128
UI
Stuttgart
MidnightBlue
32x32
WPZOOM Social Networking Icon Set
DarkSlateBlue
64x64
Vector Social Media Icons
Mixed
Addictive Flavour
gold, credit, card
Gold
48x48
credit, card, platinum
DarkGray
paypal, Social
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Business & finance
Credit card, debit card
curved, paypal, payment
Bisque
202x202
paypal, straight
Social Poststamps
Stamp, paypal, payment
WhiteSmoke
Stamp, payment, paypal
SteelBlue
Shopping & e-commerce
Credit Cards
Credit card, paypal
Gainsboro
50x50