This product is for cosplay purposes only. Do not use it in situations requiring strenuous physical activity. 3D printed products may exhibit layering and vibration; perfectionists should use with caution. This product is not heat-resistant and will begin to soften at 60°C. Our glove sizes may run slightly small, but please don't worry; you can remove the included fingernail covers and attach them to your own gloves using hot glue.