400 Series Watercolor Blocks – Strathmore


A random-textured professional surface for intermediate and advanced watercolourists. The natural white colour and cold press surface make it an ideal sheet for fine and even washes. The strong surface allows lifting and scraping applications.

  • Watercolour paper, Acid-free.
  • 15 sheets per block.
  • 300 gsm Sheets are glued on all four sides.
  • Sizes: 23cm x 30.5cm and 30.5cm x 41cm.

All Product Variations

SizeAdd to CartStockQuantityImage
23 X 30.5cm
4 in Stock
30.5 x 41cm
5 in Stock

Strathmore Artist Papers has been manufacturing watercolour papers for more than 70 years. Boasting one of the broadest ranges of watercolour papers of any manufacturer, artists are sure to find a paper that is suited to their level of expertise and technique within the Strathmore product range.

All Strathmore watercolour papers are made with watercolour felts, giving each paper a traditional watercolour paper look and feel. All are acid-free to ensure longevity, and made using natural and synthetic sizing, in keeping with Strathmore’s strong environmental stance.

The Watercolour Paper is manufactured to exacting specifications, is acid free and buffered to neutralize acid compounds absorbed from the atmosphere or formed through natural aging.

Watercolour paper blocks are glued on all four sides so there is no need to stretch the paper prior to painting.

  • Watercolour paper, Acid-free.
  • 15 sheets per block.
  • 300 gsm Sheets are glued on all four sides.
  • Sizes: 23cm x 30.5cm and 30.5cm x 41cm.


Tips on how to remove the sheets when finished:

1.  Wait until paint is completely dry. Flip over the cover and look for the area where there is an unglued opening on the cover spine.
2.  Stand the block up with the opening located on the top.
3.  Insert an X-acto knife, butter knife or letter opener between the first and second sheets.
4.  Then gently run the knife around the edge of the sheet, rotating the block counter clockwise while moving the knife in the opposite direct.
5.  Continue splitting the glue until the sheet breaks away. Remove any remaining glue from the top sheet using your fingers.


This item is manufactured in United States

Background on the Strathmore brand:

The history of Strathmore Paper Company began on St. Patrick’s Day in 1892 when its founder, Horace Moses, opened the Mittineague paper mill in West Springfield, MA. Soon after opening the first mill, Mr. Moses visited the Valley of Strathmore in Scotland. The thistle was in full bloom and the beauty of the site impressed Horace Moses so much that he started using the name and the thistle as a symbol of high quality art and printing papers.

The Strathmore brand name began to appear on all their fine art papers in 1899, first with Charcoal and soon after with Bristol. The Strathmore brand quickly became known as one of the highest quality art papers used by many leading artists around the world. Strathmore has kept this reputation as a supplier of fine art paper for over a century. Today, they continue to provide artists of all levels with the ideal surface for producing beautiful works of art.

Throughout the years, leading artists such as Norman Rockwell, Andrew Wyeth and today’s Heather Rooney have appeared in testimonial ads for Strathmore. They have associated their name with the Strathmore brand because it has provided them with the ideal surface for creating lasting works of art.




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