Feature: 1. Widely Used: Calf stretcher incline board helps to recover and prevent calf strain, plantar fasciitis, ankle pain, knee pain relief. 2. Odorless and Waterproof: Foot inversion slant board is odorless and waterproof, the overall weight is light and very easy to move. 3. Recyclable and Degradable: The calf stretcher slant board is recyclable and degradable, which is very practical for both training, rehabilitation and fitness. 4. Working Process: Very easy to use, just stand on the slant board and stretch multiple parts of the leg. 5. EPP Material: The calf stretcher slant board is made of EPP eco friendly material with excellent craftsmanship, safe and practical. Specification: Item Type: Calf Stretcher Slant Board Material: EPP Use: For calf and ankle stretching, deep squatting, plantar fasciitis treatment Package List: 3 x Calf Stretcher Slant Board