Apple Barrel Outdoor Acrylic Craft Paint Set, 21 Piece Set Including 4 Foam Paint Brushes, 1 Mod Podge Outdoor Sealer, and 16 Apple Barrel Multi-Surface Paints - Walmart.com
Amazon.com: Aleene's 26412 Spray Gloss Finish, 6 Oz Acrylic Sealer, Original Version : Tools & Home Improvement
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Picking a sealer for your painted rocks || Sealing rocks for Outdoors || Rock Painting 101 - YouTube
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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