3M Brand Transpore medical tape is made of a perforated, transparent polyethylene film that is easy to tear and secure to body contours. Transpore clear, hypoallergenic surgical tape allows for bi-directional tearing, even when wearing medical gloves. Because Transpore conforms easily to body contours it is great for securing IV's or catheters. Bulk boxed, 24 rolls per box. 1/2 inch wide rolls by 10 yards.