Coverage varies by kit. Listings include examples such as a kit described for up to 20 guests and another for up to 10 guests, so capacity depends on the specific kit chosen.
Different items list different suggested ages. Examples from the listings include: 3–12 years, 3 years and up, 3–18 years, and 0–10 years.
Decorations use a mix of materials, including paper and recycled paper, plastic, foil, and lightweight cardstock. Some kits also reference items containing about 10% organic cotton.
The jointed banner is described at about 6.25 feet long (approximately 75 inches). A character foil balloon is listed as a 24-inch balloon.
Available noisemakers include fringed or tassel-style party blowers, often described as metallic/foil fringe tassel horns made of durable plastic that produce cheerful sounds.
Many Sonic decorations list “no assembly required.” The jointed banner is lightweight cardstock with connected sections for easy hanging and compact storage, and foil character balloons are described as easy to inflate.
The jointed “Happy Birthday” banner is explicitly described as suitable for both indoor and outdoor use. Most other listed items do not specify indoor/outdoor suitability in the available details.
Paper masks are sold in packs of eight. The giant foil character balloon is sold as a single 24-inch piece.
Some kits include simple party games and entertainment items. For example, one listing notes 9 Ring Toss Games included alongside favor boxes and party blowers.
