Material - These sensory toys are made with high-quality custom formulated materials, they are nontoxic, and free of BPAs, phthalates and latex. Safe for kids and adults. . Size and Package- This pack contains 12 Stretchy String in 6 different colors,each of it is approx 11. . Perfect gift for kids- stretch fidget string toys can be made into different patterns, shapes, numbers, or letters. It can help kids learn their colors and increase their creativity and imagination. . Strong & Durable- These stretchy strings stretch from 10 Inches to 8 Feet, resist squeezing, pulling, pounding and pinching. They can be used not only as a toys but also to strengthen your arm muscles. . 100% SATISFACTION - We produce the very best quality Stretchy String Fidget Sensory Toys available 100% satisfaction guaranteed. Customers happiness is our first priority. 45 days money back and one year warranty if you purchased from Enthur. .Products from Chunchuan's store