We have the whole disana system from http://www.asmallgreenfootprint.com wool covers, tie on diapers, flannel liners and silk liners (for diaper rash). They have worked great for us. I've have the since DD was born and we used them in the hospital and ever since. They definitely have a steeper learning curve them most other cloth diapers especially AIOs but if your looking for 100% organic no plastic covers, snaps, velcro, or liners it's the best system out there. It took us about a week to really get the hang of them (folding and tying them properly so they don't leak). DD is 1month old now so I can't tell you how they work on older babies and toddlers but we love them. The ties have only gotten wet once, but we still have to fold the tri-folded liner down in the front so she'd have to leak through 6 layers of flannel and the diaper before getting to the ties, un-tieing it was more difficult but the ties are so thick that it's really not difficult to untie them at all.
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We have 15 liners and diapers. I do the laundry almost everyday the come in packs of 3 if I had 2 more packs I could probably do it every other day. I recommend 2 wool covers of each size so your baby can wear one while the other is drying. We have 1 XS but she can fit in the bigger size S while waiting. All of disana's product run very large so keep that in mind. We have the wool bonnet and coverall as well. If you want to use them I'd recommend using them alone (not with another diaper system) for a bit so you can get used to them. Everyone I know who has only bought 3 gave up on them. in favor of the easier diaper. But if your really want to have only the most natural fibers next to your baby's skin there is nothing better.