These icons were made in mind of Retina display but they will work just fine with any other resolution. Original size is 126x126px. in RetinaÃ‚Â display 64x64px. (if you using Retina display you can see real size and quality on preview images) for all other displays icons half the original size.
File includes 36 different icons in PNG format and original PSD file with vector shape layers, also you can resize PSD file to any size you like with out loosing quality but you will loose style.Download Here