Kowalla Gravedigger Monster Truck Vinyl Wall Decals 24 x 10 In Our indoor wall decals will not bubble and will last up to 3 years. Easy to apply and almost impossible to mess up. Our decals will not damage any standard walls. All Kowalla products are made with pride in Orange County, California and absolutely nothing we sell is outsourced. Peel Off and Re-Stick 100+ Times With No Tearing or Bubbling or damaging your walls.