Personalized Twins 1st Birthday Bears Men's V-Neck T-Shirt. Two little teddy bears are having a birthday picnic to celebrate turning one. It's Our 1st Birthday quote for twins comes on Men's V-Neck T-Shirt - Black. 4.7 oz., 100% pre-shrunk cotton Narrow, set-in 1x1 mitered V-neck collar Shoulder-to-shoulder taping Double-needle stitched sleeves and bottom hem