... 3-5 years long. High polymer with super strong absorbent, environmental protective, easy, safe, none-pollute small size, light, ease-move ... -5 years long 4. High polymer with super strong absorbent, environmental protective, easy, safe, none-pollute small size, light, ease-move ... water retained in the garden or as a junk (environmentally protective and non-pollute) Size:60cm*38cm, weight : 430g , ...