<b>1.The Polymer material inside the vest could rise your body temperature in a short time when you are exercising.</b><br> <b>Then it gather the heat and make u get a sauna-like feeling .</b><br><br> <b>2.This is a zipper design, which won’t limit your exercise movements; </b><br> <b>Great elasticity make it a high recovery. It won’t be tore out easily .Keeping this durable and worthy sauna tank top will be a nice choice.</b><br><br> <b>3.The tank top is light weight, so there is no problem if you want to take it to the gymnasium;</b><br> <b>It's also quick drying, which make it suitable for the people who have a regular exercise habit.</b><br><br> <b>4.Help people get rid of excess sweat and build shape through sweat, and people would be healthier and confident. </b><br> <b>5.Some washing tips:</b><br> <b>We recommend hand wash with cold water;</b><br> <b>Do not bleach or iron; </b><br> <b>Hang to dry, let the lining side to be the outside. </b><br><br> <b>6.Some using tips:</b><br> <b>The using time should not be more than 5 hours;</b><br> <b>Do not use it immediately after meal; </b><br> <b>Remember to wash it in time after using;</b><br><br> <b>7.Upgrade material: neoprene material: no elasticity, easy to break (sponge), odor, easy to itch, sweating effect is not good. </b><br> <b>Polymer material: super light elasticity, good sweating effect, no odor, durable, no breaking.</b><br><br> <b>8..Gift:Send it to your friend who is a fan of kinds of sporting.I guess she would be happy.</b><br><br>