Product details: Size 16cm High 7cm Diameter Weight 40gms These 500ml PET plastic sirop bottles are amber coloured this helps to protect the contents from UV rays, this makes them the perfect choice for contents such as carrier oils or essential oils.  They also offer a slightly different alternative to the standard clear boston bottles for a more bespoke finish to your contents. Ideal for shampoos, conditioners etc.  An ideal inexpensive alternative packaging choice for your products, comes complete with a black ribbed screw on cap that creates a water tight seal.