WellieSTR 100 Pairs Glass Eyes kits 3/4/5/6mm For Needle Felting Bears Dolls Decys Sewing (25 pairs per size) Packing inclued: 3mm(25pair),4mm(25pair),5mm(25pair),6mm(25pair) not including the DIY show finish dolls For needle felting create a small hole by stabbing socket with a felting needle or poke a hole with a sewing needle then sew eye into socket and through to the back of the head and back thought to the other eye, cover stitch with some wool.