100%and high quality.Features:Made of high high quality wood it is solid durable safe and not easy to break serve you for a long time.15 minutes is a popular length of time to enjoy a sauna and it has 5 and 10 minute markers for shorter sessions.High precision within 30 seconds.This sandglass is held in place with high temperature adhesive and a small metal fastener.Align attached wooden mounting strip vertically screwing through pre-drilled pilot holes to hide the mounting strip perfectly behind the sand .With natural wood and colorful sands this sandglass is very beautiful great to decorate your place.Hourglassonly other accessories demo in the picture is not included!Specification:Material: Wood Glass SandSize: app.29 x 4.7cm/11.42 x 1.85inOptional color: Blue/Green/Pink/Red/YellowQuantity: 1 PcNote:No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors the picture may not reflect the actual color of the item. Thank you!Package includes:1 x Hourglass