Classic version, new version ① The sides and bottom of the classic version are filled with sponge, the rhombus is rounde

Classic version, new version ① The sides and bottom of the classic version are filled with sponge, the rhombus is rounded, and the whole bag looks soft and waxy. ②The sides and bottom of the new version are flat and hard without padding, and are round and flat in rhombus shape. The overall shape of the bag is a little stiffer.