Large Size is More Suitable for Adults. While the standard is a more compact size to carry essentials for a fishing or hiking day trip. Adjustable Multi-Use fishing BagDesigned for comfort and convenience, the fishing backpack is equipped with padded shoulder straps which can be easily changed from a fishing backpack to a fishing sling shoulder bag and vice versa. This fishing bag could also be adjusted as a chest bag, handbag and travelling bag to satisfy your different needs for a fishing trip. Water-Resistant & DurableMade of high density strong nylon fabrics with extra firm stitches, the water-resistant fishing backpack is durable for long-term use. With our abrasion resistant materials, you can take this fishing tackle bag to any freshwater or saltwater fishing trips.