Jessup ULTRAGRIP utilizes a manufacturing process which makes the grit more aggressive for extra traction. Aluminum Oxide particles bite your shoes for a grippier feel than any other griptape. Easy application to your deck, trims without tearing, extreme durability. When you know the ride you're looking for, we got you gripped. White 9" x 33" boxed sheets come packaged 20 in a pack. Made in the U.S.A.