Foldable, Adjustable Eye Widths Variety of eye widths makes them suitable for both adults and children. .Pocket Size & Lightweight Folded size: 9 x 6 x 4 cm Open size: 9 x 10 x 4 cm, highly portable binoculars can be hand-held for viewing ease.Due to their small size they can be carried in a coat pocket, a back pack, keep in th car glove box, etc. .Wide Fields of View Fully multi-coated optics lenses for increased brightness and 30x magnification provide high resolution views. .Warm Note Day Vision.It can NOT see anything in total darkness. .Perfect as Gift & Widely Deal for Good gift for kids on Christmas Day,Childrens’ Day, New Year Party. Ideal for birding, walking, climbing, boating, traveling, sightseeing, hunting, observation of sporting activities and concerts, etc .