Spend only $15 more for free shipping, no sales tax in most states.    * 12 Piece set with 4 Locking Tabs for Secure Storage    * Molded Gasket for Improved, Air-Tight Seal    * Polypropylene Easy Find Lids Base    * Lids Secure to other lids and containers for Easy Storage    * Lock-Its set includes: two 1-1/4 cups; one 2 cups; one 3 cups; one 5 cups and one 7 cups.