Cybertela Women's I Can't Keep Calm It's My Birthday Bitches T-Shirt Cybertela Products are designed and printed 100% in America. Made in the United States Of America with American Pride. USA Product. Amazon size chart is not specific to our brand, please view the sizing chart in the images of the listing for the dimensions of the product. The design is printed directly on the garment with the latest printing technology. 100% preshrunk cotton, Ltgray is 90% cotton, 10% polyester. Seamless collar. Double-Needle Stitched. CHECK OUT OUR STORE: See all our Cool designs. Cybertela provides the highest quality product at the lowest price possible. Cybertela designs are great gift ideas for you or a friend. Best for Christmas, Birthdays, Father's Day for Dad, Mother's Day for Mom, 4th of July, the perfect present for your brother or sister. Perfect gift idea for a birthday present