The Dr Brown’s Microwave Steriliser, is a convenient way to sterilise up to 4 Dr Brown’s Anti Colic Bottles in one cycle of approx. 8 minutes sterilising time, plus cooling. The Dr Brown’s Options + Microwave Steriliser pack includes 2 x Dr Brown’s Anti-Colic 270ml Bottles which offer an easy and comfortable way to feed your little-one, adapting to their needs as they grow. With the unique design, this bottle can be used with or without the removable internal patented vent system, transforming it into a teat-vented bottle for more convenience. Use Dr Brown’s Options + bottles from birth - don’t wait until your baby develops colic. The unique internal green vent system continues to create 100% vacuum free feeding, which is clinically proven to help reduce wind related colic. Features and Benefits BPA Free Breast-Like Teat Shape - Correctly contoured for a proper latch and a more natural bottle-feeding experience, perfect for switching from breast to bottle and back again! Each teat is specially engineered to offer the same consistent, natural flow. Develops With Your Baby - As baby’s feeding becomes more developed the bottle can be used without the green vent system. Specifications Dimensions: H27 x W12.5 x D27cm BPA Free Plastic Contains 1 x Dr Brown’s Options + Microwave Steriliser and 2 x Dr Brown’s Anti-Colic 270ml Bottles