Dishwasher safe. Nipple promotes proper oral development and healthy teeth. Nipple made from soft, pliable, medical-grade silicone. Double-venting system reduces nipple collapse and colic.

Liquid Flow Speed Description: Medium Flow. Bottle Nipple Type: Vented. Material: Standard. Size: Medium Flow. Brand: Klean Kanteen. Date First Available: September 21, 2012. Best Sellers Rank: #55,239 in Baby. Customer Reviews: 4.6 4.6 out of 5 stars 112 ratings 4.6 out of 5 stars. : B009F7XWL8. Size: ?Medium Flow. Style: ?Medium Flow. Model Year: ?2019. Part Number: ?2276422. Manufacturer: ?Klean Kanteen. Number of Items: ?1. Suggested Users: ?Womens. Material: ?Standard. Color: ?Clear. Brand Name: ?Klean Kanteen. Item Weight: ?0.06 Pounds. Item Dimensions LxWxH: ?1.18 x 1.18 x 1.97 inches. Package Weight: ?0.05 Kilograms. Item Package Dimensions L x W x H: ?3.46 x 2.87 x 2.83 inches.