Made from clean, BPA-free aluminium, this bottle is a good, lightweight option for everyday use or outdoor and hiking trips. It features a screw lid with a finger loop and a carabiner attachment, in case you wish to clip it on to your backpack. 500ml screw-on cap silver carabiner clip-on cap making it great for sporty & outdoor activities hook onto a backpack for convenient carrying the white bottle only will look great with Digital transfer full colour print. Laser engraving is possible on all colours not dishwasher and microwave safe