Copy Paste Twin Baby Onesies by Uncommonly Cute Adorable Copy Paste Twin Baby Onesies from Uncommonly Cute. The perfect way to adorn new baby twins! One "copy" onesie and one "paste" onesie comes in the set. The onesies are white with black lettering, 100% cotton. One size only, Newborn 7-10 lbs. Price: $39.95 Sale! $29.95 I'm The Favorite Twin Onesies by Urban Smalls $39.95 1 of 2, 2 of 2 Twin Baby Onesies by Uncommonly Cute $39.95 Sale! $29.95