UN Emblem Eco Stress Relief Ball - Purple Author: UN, DGC Publication date: September 2020 Language(s) in this book: English Sales number: X3507 Available Formats $7.00 ISBN: X3507 Add to cart About the product 2 1/4" Comfortable lycra covering. Filled with semi-solid gel of recycled materials. Provides therapeutic stress relief with unlimited squeezes.