The size is approximately 70-55 cm oval. The height is about 15 cm. (Slight variations may occur due to the stretchiness of the fabric.) Because it is oval, it can be used both vertically and horizontally. It was used for about 1 month. ↓The following is a quote from the official website: The Suyasuya Bed is designed so that babies can sleep safely in an environment and posture as close as possible to their mother's womb. First, create a hollow in the center of the bed and lay the baby down while maintaining the natural curve of their back (C-curve). For babies who are prone to spitting up milk, try gathering the beads to one side to elevate their head. Sleeping nest Newborn bed Organic cotton ASYA Suyasuya Bed Organic Cotton 97% Silk 3% Triple gauze fabric