I think the wettest diaper for me was when I was wearing abu space and I drink a lot of water. ABU Space holds 5000ml. I actually throughout the day had wet so much that by 12:00 P.M. noon I was leaking and my diaper was squishy.
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I did same last night while sleeping. haha.
I have been caught before while wetting my diaper. I was at school after gym at about 7-12 years old. I was so exhausted after working out that when I got to the door I stopped to pull door open and just started peeing heavily. It was embarrassing cause one of the teachers walked by and heard me...
I think another add in should be what diapers to get based on littles preference. Also what supplies are needed and what stuff is important to get and the little things littles might like. Fpr example does your little like nursery rhymes, mozart, rap, etc. :)
I would say thickest diaper I know of is ABU Space with 5000ml capacity. It swells a lot when wet. Plus it's like being hugged by a cloud. It also doesn't tear easily inside when you move around a lot like Rearz Safaris did to me.