Choose 1 latex seat bag to effectively protect your hips, full of comfort and moderate sitting feeling Latex has special molecular structure and good air permeability. Latex has the characteristics of no deformation and longer service life Choose 2 down seat bags, which are fluffy and soft without collapse, and are suitable for people who like to sit soft Yucheng is filled with soft and different colored down, which is fluffy, soft and strong in wrapping. Yucheng's bags and pillows are filled with down