Millions of spill-proof cups for toddlers have been recalled nationwide because of a mold risk that could lead to sickness.

Tommee Tippee Sippee spill-proof cups

The recall affects more than 3 million Tommee Tippee Sippee spill-proof cups for toddlers between 4 and 12 months old after an investigation found mold can develop in the one-piece, white valve.

The maker of the cups has received 3,066 reports of mold in the valves with 68 reports of children sick with symptom associated with ingesting mold, including diarrhea and vomiting.

The cups were sold at retailers inlcuding BuyBuy Baby, CVS, Giant, Kohl's, Marco Baby, Marshalls, Meijer, Sam's Club, Ross Stores, Target, Bealls Outlet, Walgreens and Wal-Mart as well as online markets Amazon.com, Babyhaven.com, and Diapers.com.

There are five types of the cups that are affected by the voluntary Mayborn USA recall. Consumer can contact the company at 877-248-6922 for a free replacement.

Craig McCarthy may be reached at CMcCarthy@njadvancemedia.com. Follow him on Twitter @createcraig. Find NJ.com on Facebook.