Universal silicone lids turn most standard-sized cups into a sippy or straw cup, in a matter of seconds! That's faster than bubs can say, "uhhh ohh!" Can't decide between a straw or a spout? Each set comes in a two-pack, with one of each kind included. No spills, no fuss; we'll drink to that! You’ll love the convenience of having a spill-free sippy or straw cup anywhere, anytime. Perfect for dining out and café lifestyles. BPA, Phthalates, and PVC free.