Set of 4 risers, 4 large and 4 small = 8 pieces in total The bed leg fits securely into the recess cup and can be easily used on any bed; features a 1.8 cm depth to keep the post securely in place Made of sturdy plastic, which can support the weight of the heaviest furniture in your home or office, they can safely support a total of up to 600 kg (when the bed risers are used together), but make sure you only use them if a good fit is delivered Note: The risers are not suitable for recliners; please also ensure that the furniture legs are no thicker than 7 cm to ensure the correct fit, which provides a stable base for the furniture with minimal risk of collapsing