Busy Baby Placemat Tether for Bottles & Sippy Cups Keep sippy cups and bottles in reach and off the floor with this new proprietary tether designed specifically for your baby's drinks. No more having to clean up splashes of milk, juice, and formula on the floor. Now you can ensure that your child's drinks will always be within reach, with a safe silicone tether that attaches to the Busy Baby Placemat. Made with 100% food-grade silicone BPA, BPS, and PVC Free Dishwasher safe.