Perfume Studio&reg; Amber Glass Metal Roller Bottle for Essential Oils with Metal Ball Applicator - Tested Against Leaks! 10 ml (1, Amber Glass Color Roller Bottle with Metal Ball, White Cap) Perfume Studio Amber Glass Color Roller With Metal Ball Applicator - 10 ml / .37 Oz , 1 Piece Specially Designed For Body and Essential Oils - Tested Against Leaks TOP QUALITY - Great For Travel Shielded with Dark Amber Glass to Protec Oils Against UV Light Tight Metal Ball Housing Mechanism Prevents Leaking from Your Precious Oils