Description
Unleash expressive power and vibrant spontaneity with the 310x410 Baohong Block Medium (Cold Press) Alvaro Castagnet 300gsm – a premium watercolor paper block designed for artists who embrace bold brushwork and atmospheric expression. Made from 100% cotton and weighing 300gsm (140lb), this cold press paper features a medium texture that balances detail with fluidity, perfect for dynamic, layered painting.
Endorsed by internationally acclaimed watercolorist Alvaro Castagnet, this block is ideal for capturing dramatic cityscapes, moody scenes, and impressionistic compositions. The expansive 310x410mm size offers a commanding surface for large, powerful works. Glued on all four sides, the block stays perfectly flat and ready to handle wet washes and bold strokes without buckling.
Key Features:
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Size: 310 x 410 mm – large format suited for expressive, impactful pieces
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Texture: Medium (Cold Press) – versatile surface for both detail and bold washes
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Weight: 300gsm (140lb) – strong, absorbent, and warp-resistant
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Material: 100% Cotton & Acid-Free – archival quality for enduring artworks
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Glued on 4 sides – keeps paper flat and secure during painting
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Endorsed by Alvaro Castagnet – trusted by professionals around the globe
Perfect for: Watercolorists who paint with passion and confidence—ideal for dramatic urban scenes, expressive landscapes, and powerful compositions that combine detail and movement.
by Kay S.
I am a beginner watercolour artist and purchased this paper after several recommendations on a Facebook Group I joined. Its absolutely amazing and I love it! It has now become my favourite paper to use.
by Kerrie M.
Texture was a little too coarse for me - more like Arches rough - and I had trouble getting good coverage with light washes The paper handles multiple washes well and endures masking and erasing. Block holds together reasonably well but did start to separate on one side toward the end of my painting . I hadn't done a lot of really wet washes so this was a little disappointing, though much better than some I have tried. I will try the smooth next as that suits my style better. All in all I would recommend these blocks
by Louise M.
Loving this Boahong paper I’ve been using for a year and a half it’s great
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