Let your child SIP like a VIP with Boon's SIP Tall and SIP Short sippy cups. SIP's unique silicone valve system helps keep fluids where they belong. Choose from SIP Tall's firm spout for the more intermediate drinker or SIP Short's softer spout for beginners. The handles, lids, and valves are interchangeable so mom never has to worry about digging through a drawer of sippy parts while your kid is throwing a dehydration tantrum.
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