You’ll usually see them called a bathtub caddy, bath tray, or tub tray. Some listings also say bathtub table, over-the-tub tray, or expandable bathtub tray. There are also freestanding bath tray tables that sit beside the tub instead of across it.

Common features include extending sides to fit different tubs, non-slip grips, a book or device stand, a wine glass slot or cup holder, and sometimes drainage holes for faster drying. Materials vary—many are bamboo or other wood finishes, while others use acrylic or plastic for easy wipe-down care. On Walmart’s product pages, these terms are often used interchangeably, so it helps to scan the title and photos for the features you want.

A good fit starts with how you plan to use it and the shape of your tub. These tips can help you compare options:

1. Measure your tub: For over-the-tub trays, measure inside rim-to-rim and compare to the tray’s expansion range on the product page.
2. Choose a style: Over-the-tub trays are great for soaking; freestanding, adjustable-height tables work well for wider or uniquely shaped tubs.
3. Prioritize stability: Look for non-slip grips and anti-tipping design details.
4. Pick features you’ll use: Book/device stand, phone slot, cup or wine glass holder, soap dish, and drainage holes.
5. Consider material and care: Bamboo offers a warm look; plastic/acrylic are easy to wipe clean.
6. Think storage: Foldable or compact designs help if space is tight.

Comparing specs and customer reviews on Walmart can make the decision easier.

Most over-the-tub trays list a minimum–maximum width. To check compatibility, measure your tub’s inside width (rim-to-rim) and match it to the tray’s expansion range on the Walmart product page. A few additional pointers:

• Rim shape matters: Curved or sloped rims may change how a tray sits; non-slip pads can help stability.
• Unique tubs: Corner, jetted, or extra‑wide ledges may be better served by a freestanding bath tray table or adjustable-height side table.
• Placement: Ensure the tray’s feet or grips sit securely on the rim without wobbling.

If your measurements fall between sizes, going with an expandable design can offer more flexibility, but actual fit can vary by tub shape.

Care needs can vary by material, so it’s a good idea to check the care notes on the Walmart product page. In general:

• After each use: Wipe off splashes and let the tray dry thoroughly.
• Routine clean: Use mild dish soap, a damp cloth, and a soft sponge. Avoid harsh or abrasive cleaners.
• Bamboo/wood finishes: Don’t soak. Dry completely and store in a low‑humidity spot.
• Plastic/acrylic: Stick to non‑abrasive cloths to prevent scratches.
• Hardware and grips: Check occasionally and wipe dry to help maintain traction.

These steps can help keep the tray looking good and functional, but results may vary based on finish and frequency of use.

Availability of replacement parts can vary by item and brand. Here are a few ways to check:

• Product page details: Look for what's included (e.g., soap dish, book stand) and whether accessories are sold separately on Walmart.
• Model specifics: Note the model or style name to help match sizes if you’re seeking a compatible part.
• Brand support: The manufacturer may offer replacement grips, holders, or hardware directly.
• Universal accessories: Some trays work with generic soap dishes or device stands if measurements align.

Since Walmart is the retailer, listings will reflect what’s available to purchase. If you’re unsure, checking the item’s Q&A or contacting the brand can help confirm compatibility.