Bondo 41-oz Color-changing, Heavy Duty, Waterproof Interior/Exterior Gray Fiberglass Resin Repair in the Patching & Spackling Compound department at Lowes.com
3M 7100176181 | Bondo 1 Pint Capacity Body Filler - All Industrial Tool Supply
Bondo Glass Reinforced Filler 1.37 lbs, For Hole, Dent Rust-out Repairs 1 PC NEW | eBay