This can be attached to the body, or combined into any object you wish. As explained in the listing, it looks best when attached to the upper arms or spine. The hearts derez automatically after a set time limit, so you don't need to worry about them contributing to your prim count.
Please click on the link below to view the item;
http://www.slexchange.com/modules.php?name=Marketplace&file=item&ItemID=281792&random=12557
Thanks for looking, and if you have any questions about the item, please contact Moongoose Schwartzman in world.