ECR4Kids SoftZone Patchwork Toddler Block Playset is set of 12 blocks that are GREENGUARD [GOLD] Certified for healthier indoor air, CPSIA and CA-117 compliant, meets ASTM F963 Toy Safety Standards and constructed with CertiPUR certified foams. Each block measures 6″ L × 6″ W × 6″ H; wipe clean with a mild soap-and-water solution or bleach-free cleaning wipe.