SueSport Set of 2 Yoga Blocks, Large Size 9" x 6" x 4", Available in 4 Colors, High Density Quality Foam Provides stability and balance to help with optimal alignment, deeper poses and increased strength. Size 9"W x 6"H x 4"D, large enough to sit on comfortably for meditation practices. Non-stick surface, beveled edge, durable foam and light Weight. Made by high density - 4LB density foam for strength and stability. Soft, scratch-proof exterior good on any surface. Spot clean with mild detergent - Towel or air dry. Made from eco-safe and biodegradeable materials, EU approved foam, safe to use. Durable but but flexible for ultimate effect.