Mass Rapid Transit Authority of Thailand (MRTA) gave 28 kilograms of plastic bottle caps from MRTA 3R activity, Green Office Project of 2023 to Qualy, product designed brand from recycle materials to use as product materials instead of discarding as wastes on Wednesday 10^th January 2024 at Qualy Design Space. Therefore, MRTA organized MRTA 3R activity encouraging waste sorting in organization to raise consciousness on saving energy, reduce greenhouse gas emission, reduce waste and use resource efficiently where the plastic bottles would be separated in 2 parts. The bottles would be given to Chara Recycle Project, Mirror Foundation to sell for money to old peoples in the project and bottle caps would be given to Qualy to use as product materials.