Our bottles are manufactured to British Standard BS1970:2012 and carry our 5 year guarantee. The British standard minimum thickness of rubber is 1.4mm and we pride ourselves on quality and manufacture to a thickness of 1.7mm +/- 0.1. Our bottles are manufactured with 47.80% rubber content and each bottle is stringently tested to ensure the highest quality standards. Folds for storage. Size H7, W16, D7cm. L79cm. Sponge clean only. Weighs 1.2kg. Manufacturer’s 5 year guarantee. EAN: 5018632271625.