Description: It is import that you can use this traditional massage tool to promote blood circulation of your body parts which can apply to face, leg, arm and forehead for a comfortable massage. You can use it safely and softly due to its skin-friendly material, which also has gentle texture without any allergies. This massage board is made of synthetic glass material. This product has 9 different styles and sizes for you to choose. It is suitable for skin massage and body care. Item Name: Guasha Board Material: Synthetic Size Details: Style 1: 11cm x 5.7cm x 1cm/4.33" x 2.24" x 0.39" (Approx.) Style 2: 9cm x 5.4cm x 1cm/3.54" x 2.13" x 0.39" (Approx.) Style 3: 4.8cm x 4.8cm x 4.3cm/1.89" x 1.89" x 1.69" (Approx.) Style 4: 11.5cm x 3.2cm x 1cm/4.53" x 1.26" x 0.39" (Approx.) Style 5: 12.1cm x 1.2cm x 1.2cm/4.76" x 0.47" x 0.47" (Approx.) Style 6: 10.8cm x 3.5cm x 1cm/4.25" x 1.38" x 0.39" (Approx.) Style 7: 7.5cm x 5.1cm x 1cm/2.95" x 2.01" x 0.39" (Approx.) Style 8: 8.1cm x 5.5cm x 1cm/3.19" x 2.17" x 0.39" (Approx.) Style 9: 12cm x 3.4cm x 1cm/4.72" x 1.34" x 0.39" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Usage: 1.You should use some oil before use this board. 2.Then use this board hard from up to down. 3.Do not use it in air place like(windows or door). 4.Drink some water after massage 5.Do not take shower during 30 minutes 6.Do not use it in hungry. Package Includes: 1 x Guasha Board