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
WoodRx Pre-tinted Cedar Semi-transparent Exterior Wood Stain and Sealer (2-Gallon) at Lowes.com
Amazon.com: Rust-Oleum 249321 Primer Sealer Gray Aerosol 12Oz, 12 Fl Oz (Pack of 1), Grey, 11 : Everything Else
Eco Advance Exterior Wood Siloxane Odorless Spray-On Application Waterproofer Water Repellent, Safe for Use Around Plants, Pets, and People, 1 Gallon - Amazon.com