The Vintage J & P Coats Mercer Crochet Cotton Thread Box contains 10 balls of mixed colours, perfect for a range of crochet projects. This high-quality crochet cotton is ideal for creating intricate designs and patterns, and the brand's reputation ensures a reliable and durable product. The multicoloured threads add a vibrant and diverse touch to any project, making this box a must-have for crafters and knitting enthusiasts in the UK.