Sika, 33 OZ, Post Fix Fence Post Mix, Self-Contained Package That Replaces Two 50 LB Bags Of Concrete Mix, Simple & Fast Application, Just Roll, Mix & Pour, No Water Or Special Tools Needed, Fast Setting In 3 Minutes, High Strength, Provides Convenient & Quick Support Of Many Types Of Posts Including Wood, PVC, Steel Or Concrete, 2 Component, Pre-Proportioned Polyurethane Resin, Mixed In The Bag To Produce Expanding Foam For Supporting & Backfilling Fence, Mail Box, Gate, & Signage Posts, VOC Compliant In All 50 States.