Ottershell Bumbags Unisex Fanny Pack, Running/Hiking/Travel/Walking black/orange This is very nice quality built fanny pack. It is not bulky but a good 15"" length and 4 1/2"" width. The strap is 1 1/2"" wide thick nylon fabric with a heavy duty buckle . belt is a nice wide , durable nylon material with a sturdy , easy to use adjustable clasp , that feels very secure once fastened. The material is almost like a soft rubber water-resistant type material and the zipper is one of those hidden fully closed zippers that looks really sleek. The waist strap is thick, strong, and also feels of excellent quality. so much thinner , so it?s not bulky or in the way.This would be great for theme parks, joggers , the beach and trade shows. Buy with confidence. Check out our reviews. Also, happy to combine shipping to save you when you buy multiple items.