Home Lightweight Silicone Sling Bag Backpack Ultra-lightweight design: The silicone sling bag backpack is made from high-quality, lightweight silicone, making it easy to carry for extended periods.Waterproof material: Thanks to its silicone construction, this backpack is fully waterproof, protecting your belongings from rain or spills.Adjustable strap: The silicone sling bag backpack features an adjustable strap…