I buy all my things from NLS:
http://en-nls.com/pict1-38906Lubricant choice can really change how an onahole feels. I recommend experimenting with different types, but this should be a good standard one:
http://en-nls.com/pict1-40767You can just use soap and water to wash it, but I like to use this specialized cleaner:
http://en-nls.com/pict1-27929And dry it off with a microfiber cloth to keep it lint-free:
http://en-nls.com/pict1-39887Then rub some baby powder on the outside to keep it from getting sticky:
http://en-nls.com/pict1-14717And leave it in a breathable bag to let the insides dry:
http://en-nls.com/pict2-5069-9999You could also get one of these to warm up the insides before use:
http://en-nls.com/pict1-38260Or just let it soak in warm (not hot) water.