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The Eurobook transformation mechanism is one of the most popular and reliable. It operates by pulling the seat forward (sliding or stepping method), revealing a spacious storage niche. The backrest is then folded down to form a flat sleeping surface.

Advantages:

• Flat sleeping area with minimal seams
• Durable and reliable
• Spacious storage across the entire seat width and depth
• Easy to use

Consider:

• The sofa should not be placed flush against the wall to allow space for the backrest to tilt
• Rubberized wheels (for sliding) or silicone/rubber pads (for stepping) are recommended

Foam – eco-friendly, highly elastic, durable, and hypoallergenic. It offers firm support for those who prefer a harder surface.

Zig-zag spring – used in the base of soft elements (mainly seats), made of durable galvanized steel shaped into soft curves. Mounted horizontally with clips or wire brackets.

Non-elastic band– ideal for maintaining shape, with no stretch. Adds firmness and helps preserve furniture shape over time. Often used in frames of seats, backs, and armrests.