Perfect for Relaxation & Muscle Tension Relief: Designed to enhance posture, this Adjustable Headrest Face Cushion for Eye Care, Beauty, Facial SPA effectively alleviates tension in the neck, back, and shoulders. Durable Construction with Safe Nons-Slips Base: Built from sturdy metal with a reliable nons-slips rubber base, this Massage Headrest for Bed Mattress guarantees steadfastness during every session. Wide & Ultra-Stable Base: With a generous 27 x 45 cm support surfaces, this Massage Headrest for Bed Mattress minimizes unwanted movements and provides exceptional stability. Compatible with Various Mattress Sizes: This Massage Bed Heads Extension Kit fits seamlessly under thin, thick, or multi-layer mattresses without any adjustments. Lightweight & User-Friendly: Requiring no assembly, this Mattress Top Heads Holder with U-Shaped Pillow slides directly under your mattress for instant relief.