we portable planetarium dome manufactory in China.
Our domes are made in very professional material,the inside is white grey color coated which is the best color for projection, and the spherical surface is very smooth without any winkle. Inside designed with ventilation window.
The material is light weight,so the final product is easy to handle just by one person,we will offer you aportable carry bag for each dome.
The inside dome is 100% opaque even under sunlight, so it can be used for outdoor activity.
As for outdoor use, we make D rings on the dome bottom, so you can tie it with sand bags or tie it with a fixed structure.
Also you can play with safety guarantee as it's material is flame resistant meet the standard of NFPA-701.