He'll be sure to love the cool 3-D T-Rex graphic applique with it's Glow-In-The-Dark accents! Features a long-sleeved pajama top with rib-knit trim in black and brown and orange stripe detail on the sleeves. Of a soft polyester jersey. Ultra-soft and plush pajama pants with an elasticized waistband for a custom fit. 100% Polyester Paypal Payments Accepted. All purchases are mailed out within 2 business days of receipt of payment.