Based on this product's specifications, here are some alternatives and similar models
Single mattress High Peak Minto L — polyester, 1950×600×30 mm, black
Summary description:
High Peak Minto L single mattress in black, made of polyester with dimensions 1950×600×30 mm. Designed as a lightweight sleep surface for one person, it suits camping, travel, temporary guest bedding or indoor use. The compact size and polyester construction provide durability and easy maintenance for portable sleeping needs.