Price not negotiable! Authentic! Brand new, unopened. Hitsuji no Iranai Makura (Pillow You Don't Need Sheep) Tuning [Size] Approximately 55 x 35 x 4/11cm (width x depth x height low/high) *Size and weight may vary. Please understand. [Weight] Approximately 3.2kg *Size and weight may vary. Please understand. [14-step height adjustment] 14-step height adjustment is possible by changing the number and direction of the fibers. [For a sleeping posture that suits everyone] Because it supports firmly while sinking in with fibers and TPE, you can find a sleeping posture that suits you. [Pillow cover included] The fluffy pillow cover made of Tencel material gently wraps your skin. [Comfortable sleep] The punyon-ponyon TPE material provides a sleeping experience like floating on water. [Wide range of pressure distribution] The triangular lattice structure, based on ergonomics, distributes the pressure on the head. [Excellent breathability] The design considers two layers of breathability, dissipating heat and moisture, and allowing you to spend a comfortable night. [Washable] The main body is washable, so you can always use it cleanly.