Baby, Kids' and Children's Products Design Growth Double Cap Thermal Insulation Cup by Thermos (China) Housewares Co., Ltd. The warm and cold insulation ensures comfortable warmth for babies while they drink milk from the cup, no matter if it's in cold winter or hot summer. This cup has a dual-cap design, which allows babies to drink in three ways: with a straw, with direct drinking, and with a small cap. This cup can be a nice company for children from birth to school. The 600ml capacity is enough for the all-day water drinking needs of children.