YOU NEED TO PROVIDE THE MOTHER'S SIZE AND CHILD'S AGE FROM THE ASK THE SELLER SECTION A total of 2 T-shirts will be sent, one for the mother and the other for the son. SIZES ARE STANDARD AND CHILDREN'S T-SHIRTS STARTS FROM 4-5 AGE FIRST QUALITY DOMESTIC PRODUCTION 100% COTTON SOFT SOFT BLACK T-SHIRT IS USED; T-shirts are UNISEX and you can use them as you wish, such as Father and Son, Mother Daughter, Father Daughter. Suitable for Men and Women. ; T-shirt Sizes and Measurements for MOTHER Are As Follows WIDTH x LENGTH; XS 44 cm x 60 cm ; S 48 cm x 65 cm ; M 51 cm x 69 cm ; L 54 cm x 73 cm ; XL 57 cm x 76 cm ; XXL 60 cm x 80 cm; T-shirt for children Just send your age for SIZE selection; T-SHIRT FEATURES FOR Mother and Son * 100% Cotton Soft Quality Fabric Suitable for Hot Printing;