Image 1 of 6 Image 2 of 6 Image 3 of 6 Image 4 of 6 Image 5 of 6 Image 6 of 6 Custom Pin Buttons from $4.00 Upload your 1050x1050 px design and customize your 3” or 2 1/4” Pin Button. Size: Select Size 2 1/2" 3" Quantity: Continue Added! Upload your 1050x1050 px design and customize your 3” or 2 1/4” Pin Button.