Unique memory foam material provides long-lasting added comfort while distributing pressure evenly across the knee pad platform. Effectively reduces fatigue and pain in the hip, knee, and leg. Reduces pressure and provides superior comfort when in motion. Convenient drawstring cover and integrated elastic strap easily secure the foam pad to a knee walker, creating a secure, non-slip fit. Washable protective cover effectively reduces wear and tear on knee walker pads for comfortable everyday use. Easy to install and fits most walkers. Specification: Material: Memory foam, Polyester Color: Black Size: Approximately 34 x 18 x 12 cm (13.4 x 7.1 x 4.7 inches) Package Includes: 1 Piece Knee Walker Pad Cover Note: 1. Please allow 1–3 cm error due to manual measurement. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item.