人妻中出视频

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Beware of the Backpack

If your 人妻中出视频's backpack contains a small library, consider this: More than 7,300 kids are treated for backpack-related injuries annually, according to the U.S. Consumer Product Safety Commission.

Backpack Fitting Infographic

A 50-pound 人妻中出视频 should carry no more than 7 to 10 pounds, or 15 to 20 percent of his body weight. Check out the infographic for tips on wearing a backpack correctly and lightening the load.