Ampersand Art Supplys Museum Series Aquabord Is Made From Our Premium Warp-Resistant 18 Profile Fsc-Certified Hardbord That Is Sealed And Protected With Our Proprietary Archiva-Seal And Coated With A Highly Absorbent, Acid-Free Clay And Mineral Ground With A Texture Similar To Cold-Pressed Watercolor Paper Aquabord Offers Brilliant Color And Limitless Techniques Watercolor Artists Choose Aquabord Because Unlike Paper, It Will Not Tear, Shrink, Or Buckle Even Under The Heaviest Water Application And It Requires No Stretching Or Mounting - Perfect For Plein Air Painting This Amazing Watercolor Surface Allows For Limitless Techniques: Endlessly Layer And Glaze, Easily Lift To Underlying Colors Or Back To The White Of The Surface When Your Artwork Is Complete, You Can Seal And Display Without Glass - Keeping Colors And Textures True To Life Aquabord Is Also Perfect For Gouache, Casein, Acrylic, And Ink Only Ampersand Builds Cradles By Hand With Premium-Grade, 13-Ply Birch Plywood For Maximum Stability And A Clean, Finished Look From Edge To Edge Choose From 78, 1 12 And 2 Deep Cradles, Offering Support And Presentation All-In-One All Ampersand Museum Series Panels Are Eco-Friendly, Formaldehyde-Free, And Proudly Handcrafted In The Usa