Depending on the type play you're interested in, having an enema kit can really make things a lot easier, and EnemaSupply.com is one of the best sites to check out, since it focuses exclusively on these products. From bags, to bulbs, to nozzles, they offer everything you need, and they have very informative articles that can help make sure you choose the enema that's right for you.
PureLifeEnema.com prides itself on having a great, high quality selection of enema equipment. And considering what you do in the bedroom can affect you outside of it as well, it only makes sense that you consider the importance of having the right kit (whether steel, glass or silicon bags) and accessories. They specialize in coffee enema kits, as well.
ShopInPrivate.com is the sort of site that takes an amusing approach when it comes to buying things like enemas. They sell a lot of other sex toys and accessories with a tongue-in-cheek attitude, so it makes sense that they would have sell enemas and douches, since it's a useful addition to certain types of bedroom play. They have water kits, bulbs, steel buckets, and even travel accessories.
Regulation.co.uk has some pretty extreme BDSM gear throughout their online store, so it makes sense that they offer enemas and douches. If you're going to be putting things up the back end regularly, it's best to keep it clean and healthy. They have a great selection of nozzles and douches, sometimes combined as kits. If you want to have fun while you do it, they even had ribbed ones.
FortTroff.com makes it easy to clean up if you've made a bit of a mess while having fun with your new friends and lovers. Their selection of enemas and douches are just what the doctor order. Many of them hook easily up to shower and bath faucets, and they even have mini-versions so it's discreet enough for travel.
Even for those who don't exactly find enemas and douches a turn on, everyone can agree that keeping that area clean is pretty important for the sexually adventurous. ExtremeRestraints.com has a lot of BDSM gear throughout their site, so it makes sense their selection of douches, buckets, and complete kits are also top of the line. They even have some shower attachments.
LoveHoney.com knows that sex can get a bit messy, but they have a lot of affordable options to make cleaning very effective and easy (and for all smaller segment of people, even fun). They have the simple rubber douches, so more direct cleansing syringes, and even full on kits for home or travel.
PinkCherry.com has a great selection of enemas and douches, and always includes some sale items right at the top of their main page. Whether you're looking for a complete cleaning kit, or just a separate rubber douche to splash some water up there, you'll find exactly what you need (and if you have that kink, what you desire as well).
TwistMyRubberArm.com has a great selection of extreme fetish and latex gear, and that means they know the importance of having a good selection of douches and enemas for when it's time to clean yourself up and out (and some people really enjoy this part). They have douches, enemas bags, complete kits, and even pairs of briefs and panties with the douche built into them.
While it might not be your first choice for enemas and douches related to sex play, Walgreens.com still has a great selection of products for unbeatable prices. Whether it's bottle of douches, you can easily order them online, or even pick them up at one of their many stores. Some of their kits offer 'buy one, get one free' deals.