This new exciting and actually, peaceful motion background called Wave of Particles is exactly that. A huge wall of wavy particles floating and waving slowly in a semi-turbulent atmosphere. Download this free motion background in 4K and HD resolutions. Keep in mind it is 5 minutes long, but it is non-seamless.
Motionbolt.com is a resource dedicated to providing the highest quality of motion backgrounds and animated video loops. Started in 2012, Motionbolt.com has helped hundreds of thousands of people bring life into their projects though these video loops.
If you have enjoyed the backgrounds on this site, do me a favor and share my link on your website or resource circle. That way, Motionbolt.com can continue to help others and continue to strive producing high quality media that is affordable and royalty free.