Baby Gap spider man baby pj sets Each set comes with the long sleeve shirt and pants 100% cotton comfortable and safe for you baby! Perfect for this cold season! Choose your favorite characters to bundle and save! I don't have a picture of every size but I have made a size/weight chart from the back of the packaging for your reference (: Also if it's listed in the selection I have it just not in the pictures There was no option for 6-12 months but I do have it in the spider man design so just choose the 6 months option if you'd like a 6-12 month 6-12 months, 27-29 in, 17-22 lb 12-18 months, 28-31 in, 22-27 lb 18-24 months, 31-33 in, 27-30 lb 2 years, 33-36 in, 30-33 lb 3 years, 36-39 in, 33-36 lb 4 years, 39-42 in, 36-40 lb 5 years, 42-25 in, 40-46 lb