Tupperware® Season-Serve® マリネ＆フードストレージ容器（フタ付き）

I've been using this for chicken thighs and the built-in ridges really let the seasoning get into every crevice without a sticky mess. The lid seals tight enough that I can shake it around without worrying about spills.

Finally, a container that doesn't leak marinade all over the fridge shelf. I used it for chicken last night, and the sealed lid kept every drop in place. Cleanup was surprisingly quick, too.

This container finally makes marinating mess-free—the lid seals tight enough that I can flip the whole thing upside down to coat everything evenly without any drips. I've used it for chicken and veggies, and cleanup is a breeze.