Based on this product's specifications, here are some alternatives and similar models
Notebook Cooler Sony VPC-F VPC-F215 Cooling Pad — lightweight design, compatible with Sony Vaio VPC-F series
Summary description:
Cooling pad designed for Sony Vaio VPC-F series notebooks, model VPC-F215. Lightweight construction provides portable laptop cooling to reduce operating temperature during work or multimedia use. Fits VPC-F form factor and offers improved airflow under the notebook to help maintain performance and prevent overheating during prolonged use.