SIZE:20mm*400mm,25mm*400mm to choose LIGHTWEIGHT BUT DURABLE. Made from unique cam buckles and strong brine yarn webbing, these lashing tie down straps are lightweight for easy carry & storage, and super durable to offer a long-term performance. EASY TO USE. Cam buckles are fast and easy to tie down or untie your cargo, kayak etc. No need to spend lots of time on unreliable knots, or too heavy ratchet type mechanism. MULTIPURPOSE. Ayaport cam buckle tie down straps are widely used to securing small or large cargo, luggage, packing, camping gear, household goods etc. Also these Ayaport lashing straps in 8ft or 12ft length can be great car roof rack straps to secure kayak, SUP, surfboard, bicycle or other outdoor sports items. A must have cam buckle tie down straps for every family.