Child safety lock. Pretty good deal if you're buying bulk. I've purchased this before and it's easy to install and very strong.
My kid started to opening every drawer and door… probably buying more.
Maybe can stack with this $10 off $39 Spend on Eligible Items for First Time App User @ Amazon AU via The Amazon App
Any other recommendations to make house baby proof. My little one is starting to stand and grab everything! Plus we have a million doors/drawers/cupboards.