Keeping your kids' cups clean as a whistle is all in a day's work for the OXO Tot Straw and Sippy Cup Top Cleaning Set. The straw brush is sized to slide perfectly into all straw cups and kids' sports bottles. The lid brush eases into tight spots on the underside of tops and hard to clean breast pump parts. The slim as a toothpick sippy spout cleaners explores even the tiniest openings to ensure no drop of juice is left behind. All three tools have non slip handles for easy use, even when wet, and held together on a plastic ring to keep them handy.