Bought sex toy at 16

So I was looking for ways to buy a sex toy and for my birthday I got a Walmart gift card, so I got online and ordered one. I couldn’t order a expensive one Bec of tax and shipping. But this one I ordered should be good from what I read from the reviews. But the only thing is that I’m scared that one of my family members will open my package. It says that it will be delivered by FedEx, and my mom will be off work this week 😬🤷🏽‍♀️ should I tell them I’m expecting a package and not to open? Or should I just wait till it’s here and hope they don’t open it?