Size: Approximately Height: 20 cm Width: 19 cm No gusset The inner bag is designed not to come out. This is handmade by an amateur. Thank you for your understanding. I make them carefully, but there may be imperfections such as thread ends or uneven stitches. I look forward to your purchase if you understand this. I hope you will like it. For a single item, shipping will be via standard mail without tracking. Recently, there was an incident where an item went missing ⚠️, so you can upgrade to Mercari delivery with tracking for an additional 70 yen. Please consider this before purchasing to avoid disappointment after you've purchased something you like. If you purchase multiple items, I may combine them and ship them together. ⭐️ If there are any issues with the item you receive, please contact me before leaving a review. I will do my best to resolve the issue. ⭐️ I have many other items for sale. Please take a look. I am very sorry, but I will not respond to comments asking for price reductions. Immediate purchase is OK.