Watercolour Postcards Box Hahnemühle 10650150 cold press 10x15 cm 230 g/m² 30 pcs

Set of 30 Hahnemühle watercolour postcards in 10×15 cm format on 230 g/m² cold-pressed paper. The textured surface is engineered for water-based media such as watercolour, gouache and ink, providing good pigment retention and controlled water spread. The postcard size is practical for quick studies, small finished pieces, mailings and sample sharing, and the cardstock thickness offers durability during handling and postage.

Advantages

The cold-pressed texture balances tooth and smoothness to capture fine detail while still accepting washes. At 230 g/m² the paper is sturdy enough to resist excessive buckling with moderate wetting and dries relatively flat, reducing the need for stretching. Cards are pre-cut to a standard postcard format so artworks can be completed and posted without trimming. The surface is white with consistent sizing across the pack, ensuring predictable colour appearance and reproducible results.

Suitable for

• Practice sketches and quick studies in watercolour and gouache
• Small finished artworks to send as postcards or gifts
• Ink drawings combined with light washes
• Colour testing and swatch samples
• Workshops, classes and art mail projects

Key specifications

• Paper type: cold-pressed watercolour paper
• Weight: 230 g/m²
• Format: 10 × 15 cm (postcard size)
• Pack quantity: 30 postcards
• Surface: textured (tooth) suitable for washes and detail
• Colour tone: bright white

How to use

Work directly on the postcard surface with watercolour, gouache or ink. For heavier washes, apply water evenly and allow gradual drying to avoid pooling; blot excess water gently if needed. When layering, let previous layers dry to maintain edge definition. Use a light backing board or clipboard while painting to keep each postcard flat and supported. After finishing and complete drying, trim is generally unnecessary due to pre-cut edges; write address and message on the reverse if mailing.

Usage recommendations

For best results with multiple wet layers, allow adequate drying time between applications and consider mounting a single card temporarily on a rigid surface to reduce warping. Test unfamiliar pigments or media on a spare card to check absorption and colour shift before working on a final piece.