if your tubs are sticking out 3/4 inch, that is more than enough room for the snake to get their nose/head through, then it won't take much for them to work the tub out a little more and then they will be on the run...
*edit* unless you are planning on using lids on the tubs.
x2
1.0 Low-white Pied - Yakul | 1.0 Granite het Pied - Nago
1.0 Mojave - Okoto | 1.0 Vanilla - Kodama
1.0 Pastel - Koroku | 1.0 Fire - Osa
0.1 het Pied - Toki | 0.1 het Pied - Mauro
0.1 Mojave - Kina | 0.1 Blushback Cinnamon - Kuri
0.1 Fire - Mori | 0.1 Reduced Pinstripe - Sumi
0.1 Pastel - Yuki | 0.1 Dinker Normal - Akashi
0.1 Ghana Giant Normal - Tatari | 0.1 Dinker Normal - Kaiya