First, consider what you are going to store in them. if you only need storage for small items like cushions, small toys, grilling implements and supplies, and table ware you can opt for small outdoor cabinet or a storage bench that works as both seating and storage. For large items such as pool gear, gardening supplies, and bigger toys, you may want to consider getting a bigger freestanding cabinet. For storage of really large items such as ride on toys, large garden tools, as well as outdoor furniture for the offseason, go for a really large storage cabinet. Some of the largest outdoor cabinets out in the market today can store as much items as a small shed, particularly if they offer vertical storage space.
Is this area going to be an extension from your home? Does it flow from inside to outside and reversed? When searching online, imagine the space size, what style do I like. Will these items fit in my space comfortably and not be cramped. With all the various material available, one must do their homework. Wicker, resin /polyethylene plastic, metal, hardwood or softwoods. All important questions that you must answer about your new oasis.