This is a sling rubber for spearfishing. The rubber hose is 74cm long, which is an easy-to-use length. I've tried various products from different companies, as well as homemade ones, but this one, even compared to products that sell well online, such as: • SPEAR SEALS • Ultimate Dive It is in no way inferior in terms of appearance and performance. It can penetrate thick individuals like a kobudai (a type of fish) that is almost a meter long without any problems. It's priced affordably, so I think those who aren't particular about brands will be satisfied. I have also used another identical product myself for two seasons with casual handling, so I'm including photos of its condition about a year and a half after starting use (photo 4). The product is from this year, but it has been stored in a vacuum state as a precaution, so there is, of course, no deterioration. When shipping, it will be simply wrapped with bubble wrap, etc.