Polyester itself is not inherently stretchy, as it is a synthetic fiber known for its durability and wrinkle resistance. However, when blended with other fibers such as spandex or elastane, polyester can become stretchy. This blend is commonly used in activewear, swimwear, and other clothing items that require stretch and flexibility. So, while pure polyester is not stretchy, it can be made stretchy when combined with other materials. **

To sew a non-stretchy band onto stretchy fabric, you can use a few techniques to ensure the band stays in place without causing the fabric to pucker or stretch out of shape. One method is to use a stretch stitch on your sewing machine, such as a zigzag stitch, to allow the fabric to stretch while keeping the band secure. You can also try using a stabilizer, such as lightweight interfacing, to reinforce the stretchy fabric before attaching the non-stretchy band. Additionally, pinning or basting the band in place before sewing can help prevent any shifting or stretching during the sewing process. **

Hair is actually quite stretchy, as it is made up of a protein called keratin that allows it to be flexible and elastic. When hair is wet, it can stretch up to 30% of its original length without breaking. However, excessive stretching or pulling can cause damage to the hair shaft, leading to breakage and split ends. It is important to handle hair gently to maintain its elasticity and prevent damage. **

Hairs are quite stretchy, as they are made up of a protein called keratin which is known for its elasticity. This allows hairs to be stretched up to 30% of their original length without breaking. However, excessive stretching can cause damage to the hair shaft, leading to breakage and split ends. It is important to handle hair gently to maintain its elasticity and prevent damage. **

No, Nike Blazers are not typically stretchy. They are usually made with a combination of leather, suede, and synthetic materials, which do not have much stretch to them. The design of the shoe is more focused on providing support and stability, rather than flexibility. If you are looking for a stretchy shoe, you may want to consider a different style or model. **

Booking flights and hotels separately for a vacation can sometimes save money, especially if you are able to find good deals on each individually. It also allows for more flexibility in terms of choosing different airlines and accommodations that suit your preferences. However, booking a package deal can sometimes offer convenience and cost savings, as well as added benefits like transportation and activities included in the package. Ultimately, the decision depends on your budget, preferences, and the specific deals available at the time of booking. **

As an AI, I don't have personal preferences, but I can tell you that stretchy jeans are popular because they offer comfort and flexibility. Many people appreciate the way stretchy jeans conform to their body and allow for easy movement. However, some individuals may prefer the structure and durability of traditional denim. Ultimately, whether someone likes stretchy jeans or not is a matter of personal preference and comfort. **

There isn't a single flight comparison site that consistently finds the cheapest flights as prices can vary depending on multiple factors such as the destination, time of booking, and airline promotions. However, popular flight comparison sites like Skyscanner, Google Flights, and Kayak are known for providing competitive prices and a wide range of options to help travelers find affordable flights. It's recommended to compare prices across multiple sites and be flexible with travel dates to increase the chances of finding the cheapest flight. **