Ouchless hair bands come in several widths: thin (about 2 mm), standard (around 4 mm) and wider/extra-thick variants. One listing also gives a circumference example of 140 mm for a 2 mm band.
Yes — many listings explicitly label packs as "trial," "mini," or "travel" size, indicating several products are offered specifically as travel/trial-sized options.
Review summaries commonly report strong holding power combined with comfort: users say the elastics hold hair securely, avoid tangling and pulling (often described as "ouchless"), and exhibit good durability and fit.
Variants described as extra-thick or "bold hold" are specifically noted as suitable for thick or curly hair, emphasizing superior strength and flexibility for those hair types.
Common materials include polyester/rubber blends (for example, listings showing 70% polyester, 30% rubber), fully elastic constructions (labeled as 100% elastic), and some items that list plastic components (e.g., "85% plastic") in their product details.
Product labels vary: many list "All Hair Types," some specifically say "designed for fine to thin hair," and others call out suitability for "thick" hair.