Please compare measurement with your shirt. Please allow 0.5"-1" difference due to manual measurement.Collar is intended to be divided to 2 pieces. It is SPECIFIC STYLE for this SOFT & THIN T-shirt. Size M Length (collar-bottom) 26 inches Width (armpit-armpit) 20 inches Size L Length (collar-bottom) 27.5 inches Width (armpit-armpit) 21 inches Size XL Length (collar-bottom) 29 inches Width (armpit-armpit) 22 inches This T-shirt is brand new without tags. High Quality COTTON 100% . T-shirt is pre-shrunk, NO shrinking & color fade problem. DETAIL You will receive 1 T-shirt, design and size as choose. Best for - Everyday Look, Casualwear, Fancy, Party, etc.) PAYMENT & SHIPPING We accept PayPal only . Ship to Worldwide.Shipping cost is US$8.50, additional items is US$6.50 EACH. Please wait for combine invoice.The item will be sent out within 1-2 working days after payment complete. Shipping process will take 1-3 weeks. If you not receive the item within 3 weeks, please contact us. TERM OF SALE 100% Satisfaction Guarantee!!!Refund and replacement will proceed when receive the return item in the original condition.Buyer must contact us within 14 days after receive the item.Any problems or questions, please contact us.Positive feedback will be left when receive from buyer.We will do our best to solve any problems, so please contact us before leaving negative feedback. We will reply your message as soon as possible.