Home » Bones Set   Bones Set.   Whimsical bones design is silk screened for long wear. 2 piece set arrives in black organza gift bag, ready for gift giving. Onesie Sizes 0-6 months, 6-12 months and 12-18 months. Bones Socks fit babies to about 18 months, and pair perfectly with our Bones onesie. Onesie Size: Please Select...3-6 mo. 10-15 lbs. 22"-24" tall 6-12 mo. 19-21 lbs. 24"-28" tall 12-18 mo. 26-28 lbs. 31"-33" tall Price: $30.00