100% spill-proof, leak-proof, break-proof. Bisphenol-A (BPA) free. Insulated to keep drinks cool longer. Twist 'n click leak-proof seal. With the Twist 'n Click cup feature, simply twist lid on cup until you hear and feel the lid click closed, then you'll know the cup is 100% leak-proof. Designed for Baby: thin, tapered spout ideal for little mouths; insulated to keep drinks cool and fresh longer; easy to activate - liquid flows easily when child sips. Designed for Mom: durable cup is 100% break-proof; lid is interchangeable with all Playtex cups; all parts are dishwasher safe. Patented spill-proof valve eliminates messes and is easy to clean. Made in China.