※ Please inquire about price negotiations in the comments section. This is the TEIJIN SLEEP OPTIMIZER™ 3 in 1 BED. I recently purchased it on Mercari, but I am selling it because I no longer need it. I purchased it new and unused, and it is still in the same condition. Size: Mattress: Approximately 90cm x 200cm x 5cm Duvet: Approximately 150cm x 200cm Pillow: Approximately 30cm x 50cm Storage size: Width 90cm x Depth 45cm* x Height 50cm *Includes the thickness of the pocket containing the pillow and duvet.