The new COREFX Foam Stacking Plyobox features a soft landing surface that absorbs impact, for a safer workout that provides less stress on your ankles, knees, and hips. Focus on your explosive plyometric movements without having to worry! Available in three different sizes (6”, 12”, and 20”) that can be used individually or combined to create a customized workout that fits your individual needs. Each box size has self-fastening velcro strips, so you can stack and secure them together for a secure and safe workout. *Sold Individually NOTE: These are the newest 2023 model of stacking plyoboxes, which measure 30.7” x 24.4”. They are not compatible with the original models of COREFX Stackable Foam Plyoboxes.