Non-slip: Securely holds books, phones and wine glasses in their designated slots, making it an essential bathtub accessory for a wonderful bathing experience. Retractable Design: Our bathtub nizer is equipped with multiple drainage holes and retractable design on both sides. Please rest assured to use it. Space saving: Retractable shelves make the bathroom cleaner and provide convenient storage space for small items. Expandable Sides: The expandable bathtub shelf is an additional space that can easily nize your bathtub and shower necessities. The bathtub tray is retractable and suitable for most bathtubs. Both sides can be extended and pulled back. Scope of applin: Our bathtub tray can be placed in the kitchen sink to store fruits and vegetables, plates and chopsticks, as well as in the bathtub to hold shower balls and other toiletries.