A. Description of sewing machine bag: 1. The main material of sewing machine bag is nylon. 2. All zippers use YKK brand 3. Thickened pearl cotton is used inside the sewing machine bag, and the bottom is designed with a foldable hardened PE movable plate to ensure that the bottom of the sewing machine has sufficient support. 4. The sewing machine bag uses a translucent grid, so you can better find the tools and accessories you want. 5. The shoulder strap and the hand strap are both 2 nylon webbing, and the pads are made of neoprene, which makes you more comfortable when you carry the sewing machine. B. Rod description: 1. This trolley sewing machine bag can be disassembled, just a few simple steps. The sewing machine bag can also be used alone. The pull rod can be folded up when not in use, saving you more space. 2. The height from the ground after the pull rod is stretched is 37 , which makes you more comfortable when using it. 3. This trolley bag has 5 independent, silent, 360 Degree rotating universal wheels, making it more comfortable to use. 4. The size of the bottom plate of the tie rod is: 14.05 * 9.65 , which has a large enough force area and will not make your sewing machine tilt. C. Instructions for use: 1. The internal size is 17.5 * 7.5 * 12.5 , which can accommodate most standard size household sewing machines, power cords and pedals. 2. 29 small bags of different sizes are designed inside, which can store tools and accessories of various sizes. 3. A variety of carrying methods: A, directly use the matched trolley; B, hand-held; C, shoulder carry; D, placed on the top of other trolley cases. Note: Since the product is a foldable package, there will be a certain amount of deformation when the product is first opened. Please don't worry, it will become firm after being placed in the open space for a period of time