Most outdoor kits and inflatables include anchoring accessories such as ground stakes, gutter hooks, fixing ropes, and sandbags. Some inflatables also provide wind ropes and waterbags for extra stability.
Web options commonly include large triangular rope webs around 16 feet (listed ≈16.4 ft by 16 ft) and stretchable cobweb material advertised to cover up to 300 square feet.
Many poseable spiders have foldable or poseable legs that tuck together for compact storage. Inflatables deflate and typically zip closed, then pack into the included storage bag.
Kits often include extras such as small fake spiders, stretchy cobweb, gutter hooks, ground stakes, storage bags, wind ropes, waterbags, built-in blowers, and power adapters—specific items vary by product.
Sizes typically range from about 1 foot up to 6 feet. Some sets list specific sizes such as 1 ft, 3 ft, and 5 ft, while prelit and inflatable options commonly list dimensions like 48 inches and 72 inches (6 ft).
Many poseable or plush spiders have glowing or flashing red eyes. Inflatable and animated models often include built-in LED lights, flashing eyes, or rotating/color LED effects for added visibility and impact.
Many animated spiders are battery operated—commonly using 3 AA batteries—and are described as sound-activated, with movement and sounds triggered when the unit detects noise.