[Automatic opening]No need for complicated splicing, built-in frame, open in seconds. Folds flat when not in use for easy storage. [friendly reminder ]The pet enclosure should be kept away from children and faces when it is opened under spring pressure. [Outdoor/Indoor]The pet sports fence is easy to carry, no need to carry a huge cage when you go out with your pet. Restriction of pet's range of motion (may not be suitable for pets with jumping, climbing, biting habits). [Size ; Material] 4 sizes unfolded width: 0.85m(2.79ft), 0.95m(3.1ft), 1.15m(3.77ft), 1.4m(4.59ft); Folded size: 31cm(12in); Polyester fabric, easy to clean [Suitable for]Small animal pet enclosures, suitable for hamsters, chinchillas, guinea pigs, gerbils, ferrets, squirrels, rabbits, reptiles or other small animals. Size: 1 meter Color: Multicolor Packing list: 1pcs