While there are no issues with the quality, condensation may occur due to temperature differences. These items are stored in an outdoor warehouse. These are for commercial use and are virtually waterproof. Ideal for roof protection, camping, and other leisure activities. Items will be shipped in the smallest possible size and with simple packaging. Returns and claims are not accepted after purchase. Please review the description and images carefully before purchasing and only purchase if you are satisfied. Shipping may be delayed if the purchase is made on a weekend or national holiday.