Wild Wild West! The Nip Straw Cup is made of lightweight unbreakable material and has a leak-proof silicone straw. Very hygienic to use. An extra thick perfect-fit sealing ring provides an optimum, drip-free seating on the bottle neck. The wide neck is easy to fill and clean. Another practical feature is the clip, for attaching the cup to bag or clothing. The cup is suitable for infants from 12 months and has a volume of 330ml.