Ever heard of love at first bite? Designed to crawl right through the letterbox, despite its scary exterior this spooky spider biscuit is sure to treat not trick your loved ones this Halloween! 1 chocolate biscuit presented in our hand illustrated gift box (11.2cm x 11.2cm x 2cm, biscuit weighs about 15g). For more spooky. Halloween biscuits, browse our range of Letterbox Frights. Everything we make is hand-crafted in our London bakery using traditional baking techniques and only the finest local sourced ingredients to give that perfect home-baked taste.