Shopping for a king size mattress in Sydney? At Ausbeds we offer a large range of King size mattresses including- Pillow-top Mattress, Latex Mattress, Pocket Spring Mattress, Inner Spring Mattress and Memory Foam Mattress. If you are not sure which type of mattress suits your comfort needs, visit our store in Sydney and talk to our friendly and knowledgeable staff who can guide you in the right direction. We will help you choose the right king size mattress based on your preferences. For your piece of mind, we provide a 30 day Comfort guarantee i.e. if you are not happy with the purchase you can exchange your mattress for another one*. So, no more guessing and getting stuck with the wrong mattress! All our mattresses are manufactured in accordance with Australian Standard sizes. According to the Australian standards a King size bed/mattress will approximately measure 73 in × 80 in (183 cm × 203 cm). The King mattress is growing in popularity as it provides a generous sleep area for two people. But make sure there is enough bedroom space to fit in a king size bed and a mattress.