Luxury exquisite model 32x30x27cm (national standard three plugs) (recommended by the treasurer) High-grade exquisite model 31x30x22cm (conventional two-plug) Ordinary model 31x30x22cm (conventional two-plug) Exquisite ingenuity 31x30cm (ingenuity to create!!!!!! ) Luxurious and exquisite 55x32x32cm (recommended for couples!!!!!! Luxurious and exquisite 70x32x32cm (recommended for a family of three!!!!!! Deluxe Single 45x32cm Deluxe Double 55x32cm Deluxe Triple 70x32cm Deluxe Quad 80x40cm Deluxe Family 100x40cm Deluxe Length 120x40cm