Tritec™ Contact Layer Wound Dressing, 4 x 5 Inch, 1 Box of 10 Floor Mops Diameter refers to the width Otoscope Accessory Diameter refers to the width of the half round profile *The foam is strong enough to be used by large adults and active children *Foam rollers are available in 48 36 30 24 18 and 12 lengths and 3 4 6 or 8 diameters with either a round (circular) or half round (semi circular) profile *Polyethylene foam rollers are available with standard formula in white and blue *They are also available with anti microbial additive in beige *6 x 36 and 6 x 12 half rollers available sliced or fully extruded so that the bottom has an integral skin *Choose the roller that is right for you Absorbs and disperses fluids quickly to prevent pooling Remains intact when exposed to fluid and during removal Keeps the wound bed evenly moist for optimal healing conditions