There are some details as follows: 1) Materials: Environmental protecting plastic 2) Sizes: 130x74 There are some details as follows: 1) Materials: Environmental protecting plastic 2) Sizes: 130x74cm, 70x100cm, 50x86cm, or by customers' requirements (under 130x130cm) 3) Features: A) Compress the bag to save the space of the storage B) Using zip lock to strengthen its air tightness