This is the 4Ocean Bracelet with Charm Made from 100% Recycled Material Upcycled Jewelry Features: Unisex design Adjustable from 2-5 in diameter with slide knot Stainless steel 4Ocean charm 1 pound of trash will be removed from the ocean for each bracelet purchased WE ARE AN AUTHORIZED DEALER - these are authentic 4Ocean bracelets that come with the full 4Ocean packaging and story card 4Ocean's bracelets are created from 100% recycled materials. The beads are made from recycled glass bottles & the cord is made from recycled plastic water bottles. Every bracelet purchased funds the removal of one pound of trash from the ocean. For 4Ocean's informative video on how to adjust these bracelets, please click here."