<b>Instructions：</b><br> * A removable sleeve is equipped, it can be covered on the product, comfortable and hygienic.<br> * Measure your neck circumference and neck height, and choose the size according to the chart. <br> * Please note that the concave position of the product must be aligned with the chin when wearing.<br> * Adjust the tightness with the Velcro to ensure the best support and comfort. <br><b> Product Name：</b>Neck Brace <br> <b> Version：</b>Comfort、Enhanced、Dual-use<br> <b>Material：</b>Polyester cloth, Sponge, Sweat cloth, Velcro, etc.<br><b>Colour：</b> Blue (Comfort/ Enhanced)、Milk-White(Enhanced)、Brown(Dual-use)<br><b> Regular Size: </b> <br> Small 2.75"：Neck height 2.5"/Neck circumference 10 1/2"-11 1/2"<br> Medium 3"：Neck height 3"/Neck circumference 11 1/2"-13 1/4"<br> Large 3"：Neck height 3"/Neck circumference 13 1/4"-16 1/2"<br> X-Large 4"：Neck height 4"/Neck circumference 16 1/2"-18 3/4"<br> <b> Special Size: </b>（only available in the Comfort Version）<br>Small 3.5"：Neck height 3.5"/Neck circumference 10 1/2"-11 1/2"<br> Medium 4"：Neck height 4"/Neck circumference 11 1/2"-13 1/4"</b><br> Large 4"：Neck height 4"/Neck circumference 13 1/4"-16 1/2"<br> X-Large 2.75"：Neck height 2.75"/Neck circumference 16 1/2"-18 3/4"<br><b> Washing:</b><br>* Please securely fix the Velcro before washing, so as to prevent the Velcro strap from damaging or gluing other clothes.<br>* Use neutral detergent to wash it in water at 30°C. Rinse it thoroughly with clean water after washing. Do not use fabric softeners. Do not bleach, machine wash or dry clean. <br>* Do not wring dry after washing, but you can squeeze it by hand or use a dry towel to suck in excess water, then place it at a dry place. Do not iron, dry or expose directly in the sun.