The surfaces are typically made up of thick, solid PVC or vinyl and nylon, plus the castle is inflated using an electric or petrol-powered blower. The principle is one of continual leakage, this means smaller punctures https://www.evernote.com/shard/s652/client/snv?isnewsnv=true¬eGuid=5cb31978-5147-eef4-f31e-92cb46acba34¬eKey=0560b6f57f341a4bc3c20adabdaf4a18&sn=https%3A%2F%2Fwww.evernote.com%2Fshard%2Fs652%2Fsh%2F5cb31978-5147-eef4-f31e-92cb46acba34%2F0560b6f57f341a4bc3c20adabdaf4a18&title=Jump%2Band%2BSlide%2BAtlanta%2BBounce%2BHouses