Measures approximately 12” across top support piece , 8.5” across widest part of bag & 5” long . Velcro’s right on to your bike bar . Has zip pouch to keep keys , wallets, and cell phones safe while you ride . Please note : I’m liquidating a lot of these ( have 28 total) . Will discount multiple purchases but some may have surface dirt from previously being stored . Tags in tact . Please note if you are interested in multiples poshmark does not allow quantity of more than one so please message & I can edit for you . Thanks