INFO ON JUMBO: Protect the nose and tail of your standup paddle board or big longboard with the Jumbo Nose Guard and Jumbo Tail Guard combo pack. The Jumbo Nose Guard is designed to fit Stand Up Paddle - SUP and big longboards with full thick (1 ½”- 3”) nose shapes. For thinner (½”- 1”) nose shapes, the Longboard Nose Guard is recommended. The Nose Guard functions as a soft “shock absorbing guard” that protects the nose of the board and you from dings. The Nose Guard will not affect board performance. Easy to apply with a peel, and stick adhesive. The Jumbo Tail Guard is designed to fit Stand Up Paddle - SUP, and big longboards with full thick (1”-2”) and wide (6”- 10”) tails. For thinner (⅜”- 1”) and narrow (4”- 6”) tail shapes, the original Tail Guard is recommended. The Tail Guard functions as a soft “shock absorbing guard” that protects the tail of the board and you from dings. It will fit most squash, round pin, diamond, and swallow tails with “hard edges.” The Tail Guard will not affect board performance. Easy to apply with a peel and stick adhesive. INFO ON REGULAR: Easy to apply peel, stick and surf! Designed to protect the tail of your surfboard from dings and will not affect board performance! It will fit most shortboards, longboards, squash, round, pin, diamond, and swallow tails.