(cheaper foam blocks lack the density and durability of these). Made from recycled chip foam.
High Density Yoga Studio Recycled Recon Chip Foam Pilates Head Block Cut to Size
Yoga Studio High Density Recycled Recon Chip Foam Pilates Head Block Support Aid
High Density Yoga Recycled Recon Chip Foam Pilates Head Block 12" x 8" x 2"
Zangco 2-Pack High-Density Yoga Blocks - Non-Slip EVA Foam Support for Yoga, Pilates, and Flexibility Training (Purple EVA Foam)
