1) To determine the square feet required, multiply height by length of the area to be covered. Divide total square feet by 50 to determine the number of kits to order and complete the form below: 2) * Due to possible variances in computer monitors, the colors displayed may vary from actual product. 3) Dry Erase It�� - Water based paint that transforms any smooth surface into a seamless, high-performance dry-erase writing surface. Dry Erase It is backed by a 10 year warranty and sold in kits that cover 50 square feet. Each kit includes installation instructions, roller, stir stick, can opener and wet paint sign. 4) Return Policy All claims must be made in writing within 30 days of the receipt of merchandise. Returns are permitted with written authorizations only. Returns will not be accepted on open kits. Items authorized for return will be subject to a service and re-stocking charge. 5) Environmental Sustainability Dry Erase It�� is the most environmentally friendly dry-erase product. As Dry Erase It�� is applied directly to the wall surface, it doesn't require the wood, steel or resin typically used with other dry-erase products. It's also produced through a stirring process requiring very little energy compared to the baking and curing processes used by other dry-erase products. Shipping Dry Erase It�� requires considerably less material and fossil fuel because a single quart of Dry Erase It��, capable of covering 50 square feet of space, weighs less than four pounds and ships in a very small box. Dry Erase It�� conforms to all U.S. EPA regulations (including California) and is formaldehyde-free and, once dry, produces no off-gassing. Simply paint over Dry Erase It�� when you're done with it. We are happy to not contribute to the millions of pounds of whiteboard materials being dumped in landfills every year.