Personalized 18th Birthday Party Men's V-Neck T-Shirt. 18th Birthday Men's V-Neck T-Shirt - White has colorful polka dot number 18 and Time To Party quote on this great bday celebration gift. 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