Hey mark I use a similar setup for temp cages for snakes. Except I use heat mat so I can stack and instead of straps I drill holes between the rim and lid and put bolts and wing nuts to keep shut easier to open and close, stackable and secure I have had a 5 foot boa temp in it.
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Tom
0.0.1 California King Snake (booboo)
0.2.1 Sulcata Tortoise (tank, sahara and skittles)
0.0.2 Russian Tortoise (tito and lulu)
0.0.4 Red Ear Sliders (moe, uncle sam, bernie and ernie)
0.0.1 Western Soft shell (Squirt)
1.1.0 Bearded Dragon (marshmellow and Sparkles )
0.0.1 Sumatran Water Monitor (Tiny)
1.0.0 Peachfront Conure (kermit)
0.1.0 Love Bird ( KIKI )
1.2.0 Dog (layla, Roxy and Rosco)
2.2.0 Crazy Cats (babe, sabastian, tinkerbell and sadie)
0.1.0 Lion Head Rabbit (daisy)
0.0.1 Spectacled caiman (wilbert)
0.0.1 Aligator Snapping turtle
0.0.1 Mexican Red Knee Tarantula
1.0.0 Veiled Chameleon
0.0.1 Argentina Black and White Tegu
2.1.0 Columbian Red Tail Boas
1.2.0 Kenya Sand Boas
0.1.0 Green Iguana
1.0.0 Ball Python
1.0.0 Western Hognose Snake
1.0.0 Chocolate Skunk