History & Heraldry Pre-Personalised Reusable Hip Flask - Dad. A new range of retro styled hip flasks that are a perfect gift for him. Features a hinged screw-top and leather-like sleeve embossed with names and fun sayings. Made from BPA Free Plastic. Size approximately: H 11.5 x W 9.5 x D 2 cm. Rinse before first use. Suitable for cold liquids only. Not suitable for dishwasher or microwave use.