All Ursack bags have a limited lifetime warranty. We will replace the AllMitey, Grizzly, or Kodiak if a bear or critter punctures the UHMWPE /Kevlar laminated portion of the bag with a hole 1/4 inch or larger.We will replace the Major, Major XL, or Major 2XL if a bear punctures the UHMWPE with a hole 1/4 inch or larger. There is no critter warranty.We will replace the Minor if a critter punctures the Kevlar with a hole 1/4 inch or larger. There is no bear warranty.