Stamp album: I have used many kinds. At first, I used a fixed stamp album made of cardboard, which was thick, but expensive, and could not hold many stamps. If it is used for a long time, it will be deformed and will not hold the stamps. Highly recommended! If you use loose-leaf pages now, you can make them yourself or buy ready-made ones. Inserts are made of A4 paper, which is thicker than ordinary A4 paper, but thinner than cardboard. Each plug-in has 2-7 tracks (according to your needs). Brochures are folders that can be bought in general stationery stores. Hard plastic cover with 20 transparent plastic inserts inside and an opening at the top. Every two inserts are put into a plastic insert back to back, so that a folder can hold 40 inserts. Generally speaking, this album can hold one or two thousand stamps, and the price is around 20 yuan. Of course, there are many higher-end stamp albums, but the price is also high, as long as you have the financial resources. ...
Mail bag: generally divided into fully transparent and black lining paper. Of course, black backing paper is expensive, but it can clearly set off the perforations of stamps. What I use is completely transparent, and the "Violet" brand seems to be the most, and the quality is also very good. According to the size of stamps, there are many types of pouches (there are also sheetlets and pouches of sheetlets). Pay attention when you buy it, but it must be a circle (3-5 mm) larger than the stamp.
Other supplies: philatelic tweezers (special philatelic tweezers must be used, hospital tweezers are absolutely not allowed, stamps will be printed), magnifying glasses, white gloves, etc.
If you have anything unfinished, you can leave me a message. I hope it helps you.