VolcaNuque: 2 in 1 cervical cushion

2in1 cervical cushion with 8% volcanic stone for a lasting diffusion of heat or freshness! - Very high thermal inertia of the lava rock - A cushion that stays in place thanks to its shape that adapts perfectly to the neck and shoulders - 2 possible positions: neck targeting (male photo) or shoulder and upper back targeting (female photo) To be heated in the microwave to relax the muscles of the neck and trapezius and relieve tension. To be cooled in the refrigerator or freezer to relieve migraines, dental pain and inflammation. Exterior coating: Polyester. Interior composition: Gel, water and 8% volcanic stone.