The Mother's Milk SpeCtra CaraCups Backflow Prevention Caps and Membranes, For SpeCtra CaraCups Wearable Collection Kit, 1 Count is an at home health product designed to provide superior comfort and functionality. The Mothers Milk SpeCtra CaraCups Backflow Prevention Caps and Membranes are available at Honest Medical and ship for a low cost. We carry Mothers Milk SpeCtra CaraCups Backflow Prevention Caps and Membranes in multiple warehouses across the nation to reach most customers in 2-3 business days.