joyfeed straw cup conversion kit with silicone sleeves for dr. brown's narrow glass baby bottle 4oz,anti breakage baby bottles replacement kit with handle and soft straw top,6m+,set of 4 4 oz, 4 packs is up for auction in Baby Products. The current bid is $1.50, 90% below the $14.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.