Applicable number of persons
                        
                                                            [Standard version 28.74in width] high rebound sponge
                                                            [Standard version 28.74in width] Natural latex
                                                            [Widen version 33.46in width] Natural latex
                                                            [Widen version 33.46in width] high rebound sponge
                                                     
                     
                                    
                        Color classification
                        
                                                            Three people [82.68in] + pedal
                                                            Single [43.31in]]
                                                            Double position [70.87in]]
                                                            Senior four [118.11in] + pedal
                                                            Big Three + Imperial Concubine Bed [94.49in]]
                                                            Senior Four + Imperial Concubine Bed [118.11in]]
                                                            Multi-person + imperial concubine couch [129.92in]]
                                                            Big three people [94.49in] + pedal
                                                            Four people [106.30in]]
                                                            Four people [106.30in] + pedal
                                                            Big four [118.11in]]
                                                            Three people [82.68in]]
                                                            Big three people [94.49in]]