Seposeve 2 Pack Silicone Sippy Cups, Leak-Proof Baby Straw Cup for 6-12 Months, Spill Proof Toddler Cup with Straw 1-3 Years, with Capacity Marking, Non-slip Handle, Flow Control, 6 oz, Green Blue is up for auction in Baby Products. The current bid is $8.50, 57% below the $19.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.