三种型号分别为：

绿色口径:5.8mm

白色口径:3.8mm

蓝色口径:2.5mm

内袋尺寸：245*150mm

Three models are:

Green caliber: 5.8mm

White caliber: 3.8mm

Blue caliber: 2.5mm

Inner bag size: 245 * 150mm