Alpine Corporation Americana Clear Matte Water-based Polyurethane Aerosol Spray (12-oz) in the Sealers department at, Acrylic Spray Sealer - valleyresorts.co.uk
Outdoor serving table. Stained and coated with polyurethane spray. Wouldn't recommend the spray for a project this size, took two cans at $15 a piece : r/BeginnerWoodWorking
Varathane 11 oz. Clear Satin Oil-Based Spar Urethane Spray (6-Pack) 340283 - The Home Depot
How To Seal Vinyl for Outdoor Signs - Makers Gonna Learn