How to block on different height ?1.Take out hook2.Pull down the strap rope perpendicularly to the ground on desired height, if it is has not block, do not immediately let go. 3.Pull out 1-3cm to block it with slowest speed ( suggest 10mm/s ), please make sure the goods weight is not less than 1.2kg or not exceed 15kg.4.To higher, hold the plant pot bottle slowly up to the length you like and release. To lower, hold the plant pot bottle up a little then let the plant weight helps fall down.Specifications:Type: Plant hangerMaterial: plastic with nylon ropeSize: Approx. 7.6 * 3.5 * 20cm / 3.0 * 1.38 * 7.9 in Max weight: 15kgRetractable Length: Approx. 20-90cm / 7.87-35.43inSuit for:garden baskets pots and birds feederNote: 1.Please dont hang too light or too heavy goods, make sure between 1.2kg to 15kg.2.Please ensure the hanging hook is vertically down(if not it will not work).3.Please allow 1-2cm errors due to manual measurement as the manual measurement.4.The plant hanging holder is mainly design for indoor hanging but not suit for in the wind outdoor.productDescription { color: 333333; word-wrap: break-word; font-size: small; line-height: initial; margin: 0.5em 0px 0em 25px;}productDescription_feature_div > h2.default { color: CC6600; font-size: medium; margin: 0 0 0.25em;}productDescription_feature_div > h2.books { color:333 important; font-size:21px important; line-height: 1.3; padding-bottom: 4px; font-weight: normal; margin: 0px;}productDescription_feature_div > h2.softlines { color:333 important; font-size:21px important; line-height: 1.3; padding-bottom: 4px; font-weight: bold; margin: 0px;}productDescription > p, productDescription > div, productDescription > table { margin: 0 0 1em 0;}productDescription p { margin: 0em 0 1em 1em;}productDescription h3 { font-weight: normal; color: 333333; font-size: 1.23em; clear: left; margin: 0.75em 0px 0.375em -15px;}productDescription table { border-collapse: inherit important; margin-bottom: 0;}productDescription table img { max-width: inherit important;}productDescription table td { font-size: small; vertical-align: inherit important;}productDescription ul li { margin: 0 0 0 20px;}productDescription ul li ul { list-style-type: disc important; margin-left: 20px important;}productDescription ul ul li { list-style-type: disc important; margin-left: 20px important;}productDescription > ul ul li { list-style-type: disc important;} productDescription ul li ul li { margin: 0 0 0 20px;}productDescription .aplus p { margin: 0 0 1em 0;}productDescription small { font-size: smaller;}productDescription.prodDescWidth {max-width: 1000px}