How Long Do Sippy Cups Last? — Toddlers

I may only have one child — a very rambunctious 4-year-old boy — but somehow, I've accumulated a vast collection of sippy cups. My kitchen counter has overflowed with various candy-colored cups with retractable straws, drinking nubs, or silicone leak-free discs; then there was the Thomas the Tank Engine phase, followed by a Paw Patrol period. Now, I'm in my son's "green" era, when only cups in shades from lime to grass to emerald are acceptable.

The old sippy cups? Most have found their way to the recycling bin when they looked chewed, the decals wore off, or I just got tired of the clutter, but what is the correct benchmark for sippy cup shelf-life? Realizing I had no idea, I asked around.

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