Thompson's WaterSeal Signature Series Clear Exterior Wood Stain (11-oz) at Lowes.com
Fire retardant wood sealer 5 gal Flame Stop ii — Material Warehouse
Amazon.com: Mod Podge Spray Acrylic Sealer that is Specifically Formulated to Seal Craft Projects, Dries Crystal Clear is Non-Yellowing No-Run and Quick Drying, 12 ounce, Gloss
Olympic WaterGuard 11 oz, Clear Exterior Wood Sealer Spray 55260XIS-54 - The Home Depot