How to escape proof a sterilite enclosure?

Last night, my ball python escaped from his plastic sterilite enclosure. I have a model very similar to this one http://www.sterilite.com/SelectProdu...=180&section=1
and I assume he escaped from one of the sides without the latches, (the longer sides) because they do not snap close, and I am able to lift them with a finger with some force, they can open to about an inch and a half with quite a bit of force put on it.
Luckly, my ball didnt go far, but I was just curious did any one else have this issue with a sterilite box similar to mine? I really like the plastic and am not willing to switch to glass, because plastic provides the perfect amount of humidity, and is easy to clean and move around. Can anyone recommend me another sterilite (or similar brand) plastic container they use for their ball python that perhaps snaps closed on all sides?
Currently, I have some heavy books placed on each side to prevent my ball from escaping again... :rolleyes:

Almost all the sterilite tubs I see are used in a rack system. I think no mater what tub you use you will need to have something holding down the top.

Buy little clamps or clips they sell em on ebay

Yeah those tubs with the split lid are pretty easy to pop up in the middle from the inside. All of my tubs are in rack systems, if NOT in a rack you will need some way to secure the lid on the sides as well as the ends. I've seen a lot of people using the binder clips that you can get at office supply stores.

Me personally never clipped the sides and never had a problem I just clipped each end ... but these were 12 quart if bigger id clip sides well

Binder clips or luggage straps.

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I bought some straps at Home Depot and use them. They are in the section with tie-downs


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I would use binder clips along the sides, if your BP pushes in the middle it will be able to lift the lid enough to escape.

I agree, binder clips. I use them whenever I use a container not in a rack, or smaller than my rack.

I use clips and velcro.. I love velcro