Blue Bubble Tees BBT Mens Blue Lives Matter Police Support T-Shirt Tee Classic fit, 6.0 oz, 100% (preshrunk) cotton. Not every shirt color is 100% cotton. Please see the Product Description below for details. Taped neck and shoulders Seamless double needle 7/8 neck rib. Double needle sleeve and bottom hems. Graphic: 3.4 x 3.8 in. (front of shirt only).