Density grass with 30 mm grass thickness and size of (6.5 X 6 ft) No weather : it can be used in any climates, no matter rain or snow. All weather used Environment-friendly: all materials are accord with environmental protection requirement Product uses : for out areas like yard, square, balcony, park, garden, school and public places. Can be use indoor and outdoor both. You can use as carpet inside the house, for landscaping garden, for decorating balcony, durable, easy to clean and durable Our grass needs no installation. It comes with a PVC base and you just need to lay it out and it will stay