• Suitable for combination feeding - the extra wide lip support simulates breast feeding as closely as possible. • NUK Anti-Colic Air System minimises the risk of infant colic caused by the harmful swallowing of air, this also helps prevent the teat from collapsing. • Medium feed hole teats are suitable for breast milk and formula. NUK First Choice+ Teats replicate the shape of a mother\'s nipple during breastfeeding. The extra soft tip easily takes on different shapes whilst also promoting the development of the mouth, lips and tongue. The orthodontic NUK shape, combined with the NUK First Choice+ extra wide lip support, makes it easier to alternate between breast and bottle feeding. The improved Anti Colic Air System minimises infant colic caused by the harmful swallowing of air. NUK First Choice+ bottles are fitted with a medium feed hole teat which is suitable for breast milk and formula. Silicone is a stronger and more durable material, which will last longer than latex. NUK Teats and Soothers are approved by the Oral Health Foundation. Additional details: Packaging size: 190mm x 170mm x 165mm Recommended age: 0-6m