When it relates to longevity, I have no concerns concerning this falling apart or staying unsafe for my cats. The spiral springs bend when you utilize force to them, but this isn't an everyday worry (or something my cats would even do). The chamber is large plenty of to fit https://caidencovjx.anchor-blog.com/9996046/an-unbiased-view-of-dog-toys-that-you-can-put-treats-in