Wow -- looks like this situation keeps getting worse.

Hope your daughter is okay.

Just a couple of corrections/suggestions...

PS not sure if it is a good idea to keep the playpen. Things may get nasty or they might go petty and call the police on you. Just be careful with that
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Attn: [Parents],

It has been nice meeting your family and [Child]. I'm sorry to say that I feel we are not a good match/fit to continue on for daycare. I feel that another daycare would be more suitable to meet all your needs but I want to thank you for the opportunity.

This notice is effective immediately.

Also Note: you have in possession one of my carseats, once I have it returned to me in the exact same condition as it was when it was lent out – I will then return the playpen to you.

Thank you,
X_________________


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good luck