on Google + body by margo or bodybymargo.com saving you $$$$ because i test stuff out The vest ships for $21 dollars and comes with bags you fill yourself i used $72 dollars worth of rolled pennies its working too. Goal is 8 lbs to lose and 2 lbs of muscle to gain for now, without changing my diet or sleep. https://www.amazon.com/Yosoo-Adjustable-Camouflage-Weighted-Training/dp/B01ELDCWXO/ref=sr_1_sc_3?ie=UTF8&qid=1468194624&sr=8-3-spell&keywords=yasoo+weighred+vest Yasoo weight vest shipped EMPTY costs @ 26 dollars in 2018 this reflective tape like vest goes over the military weight vest to look less aggressive and promote road running safety I can use it with my inline skates also https://www.amazon.com/Reflective-Bands-Fully-Adjustable-Multi-purpose/dp/B00W5N450G/ref=sr_1_1?s=sporting-goods&ie=UTF8&qid=1468193733&sr=1-1-spons&keywords=reflective+vest+v...