Mattress Protectors?

Hillary • Mother of Three•Extended Breastfeeding•Cloth Bum•Attatchment Parenting•Practicing a Minimal Lifestyle•IG: Darlinglittlethree

Can anyone recommend a good quality waterproof mattress protector for a memory foam mattress?

I've been searching Amazon, but all the "top rated" ones have very mixed reviews as far as the waterproof aspect goes. We cosleep with two kiddos, so water proof is an absolute must.