Original Disposable Flask Set of 4 + Funnel - USA Flag Skull - NEW DESIGN! THIS IS A SET OF 4 WITH A FUNNEL AT THE SAME PRICE AS THE 3 PACK- Limited Time only! EASY TO CLEAN - Reusable - Durable - NO transfer of taste/odor. SAFE - BPA FREE - FDA APPROVED MATERIALS - dishwasher safe FLEXIBLE - FOLDABLE - FREEZABLE - COLLAPSIBLE - Stands upright when filled. Empties completely flat ORDER FROM SHARKSKINZZ FOR 100% SATISFACTION GUARANTEE