Tilty "a better sippy cup" [2 pack] - BUY MORE THEN 1 AND SAVE $2.00 OFF EACH ADDITIONAL! DISCOUNT IS APPLIED AT CHECKOUT. Tilty is DYE Free, BPA Free, PVC Free, Pthalate Free, pure polypropylene, and is dishwasher safe. Ergonomic design makes drinking easier and more comfortable. Requires less head tilt than any other sippy cup. Teaches better mechanics to help babies graduate from a sippy to a regular cup. Has a snap on lid without a valve for better dental development, as recommended by the ADA, American Dental Association . 9+ months 7oz (It will hold 8oz – but the cup is marked 7oz. So we have to call it a 7oz cup) Don’t ask? Dishwasher Safe (Top Rack) Polypropylene BPA Free Dye Free PVC Free Easy to use in a car seat or stroller All this work led us to the most simple solution for you;  pure Polypropylene.  PP is a cost effective material used throughout the medical industry.  Some companies add chemicals to make it softer, prettier, or sturdier.  We have added nothing.  PP on its own is durable, clear, and soft enough.